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On this day

Boris Johnson resigns as Prime Minister of the United Kingdom, and is replaced by Liz Truss. Their meetings with Queen Elizabeth II at Balmoral Castle were the Queen's final official duties before her death two days later.

2022

view article

Russo-Ukrainian war: Ukraine begins its Kharkiv counteroffensive, surprising Russian forces and retaking over 3,000 square kilometers of land, recapturing the entire Kharkiv Oblast west of the Oskil River, within the next week.

2022

view article

Supreme Court of India decriminalises all consensual sex among adults in private, making homosexuality legal on the Indian lands.

2018

view article

Brazilian presidential candidate Jair Bolsonaro survives a stabbing at a campaign rally in Juiz de Fora, Minas Gerais.

2018

view article

Forty-one elephants are poisoned with cyanide in salt pans, by poachers in Hwange National Park.

2013

view article

The first Minotaur V rocket is launched from the Mid-Atlantic Regional Spaceport on Wallops Island, carrying NASA's LADEE spacecraft.

2013

view article

Sixty-one people die after a fishing boat capsizes off the İzmir Province coast of Turkey, near the Greek Aegean islands.

2012

view article

The ro-ro ferry SuperFerry 9 sinks off the Zamboanga Peninsula in the Philippines with 971 persons aboard; all but ten are rescued.

2009

view article

Israel executes the air strike Operation Orchard to destroy a nuclear reactor in Syria.

2007

view article

Mahmoud Abbas resigns from his position of Palestinian Prime Minister.

2003

view article

The funeral of Diana, Princess of Wales takes place in London. Well over a million people line the streets and 21⁄2 billion watch around the world on television.

1997

view article

Royal Brunei Airlines Flight 839 crashes in the Lambir Hills National Park while on approach to Miri Airport in Malaysia, killing 10.

1997

view article

Cal Ripken Jr. of the Baltimore Orioles plays in his 2,131st consecutive game, breaking a record that had stood for 56 years.

1995

view article

A group of hunters at the Stampede trail near Healy, Alaska come across a male corpse in abandoned bus, later identified as Christopher McCandless.

1992

view article

The Soviet Union recognizes the independence of the Baltic states Estonia, Latvia, and Lithuania.

1991

view article

The Russian parliament approves the name change of Leningrad back to Saint Petersburg. The change is effective October 1.

1991

view article

End of the last stage of the Anfal campaign of Ba'athist Iraq against its Kurdish population, which resulted in major destructions and major civilian losses.

1988

view article

In Istanbul, two terrorists from Abu Nidal's organization kill 22 and wound six congregants inside the Neve Shalom Synagogue during Shabbat services.

1986

view article

Midwest Express Airlines Flight 105 crashes near Milwaukee Mitchell International Airport in Milwaukee, Wisconsin, killing all 31 people on board.

1985

view article

The Soviet Union admits to shooting down Korean Air Lines Flight 007, stating that its operatives did not know that it was a civilian aircraft when it reportedly violated Soviet airspace.

1983

view article

Cold War: Soviet Air Defence Forces pilot Viktor Belenko lands a Mikoyan-Gurevich MiG-25 jet fighter at Hakodate in Japan and requests political asylum in the United States; his request is granted.

1976

view article

Munich massacre: Nine Israeli athletes die (along with a German policeman) at the hands of the Palestinian "Black September" terrorist group after being taken hostage at the Munich Olympic Games. Two other Israeli athletes were slain in the initial attack the previous day.

1972

view article

Paninternational Flight 112 crashes on the Bundesautobahn 7 highway near Hamburg Airport, in Hamburg, Germany, killing 22.

1971

view article

Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of the PFLP and taken to Dawson's Field, Jordan.

1970

view article

Swaziland becomes independent.

1968

view article

Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.

1966

view article

India retaliates following Pakistan's Operation Grand Slam which results in the Indo-Pakistani War of 1965 that ends in a stalemate followed by the signing of the Tashkent Declaration.

1965

view article

The United States government begins the Exercise Spade Fork nuclear readiness drill.

1962

view article

Archaeologist Peter Marsden discovers the first of the Blackfriars Ships dating back to the second century AD in the Blackfriars area of the banks of the River Thames in London.

1962

view article

Istanbul's Greek, Jewish, and Armenian minorities are the target of a government-sponsored pogrom; dozens are killed in ensuing riots.

1955

view article

A prototype aircraft crashes at the Farnborough Airshow in Hampshire, England, killing 29 spectators and the two on board.

1952

view article

United States Secretary of State James F. Byrnes announces that the U.S. will follow a policy of economic reconstruction in postwar Germany.

1946

view article

World War II: The city of Ypres, Belgium is liberated by Allied forces.

1944

view article

World War II: Soviet forces capture the city of Tartu, Estonia.

1944

view article

The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.

1943

view article

Pennsylvania Railroad's premier train derails at Frankford Junction in Philadelphia, killing 79 people and injuring 117 others.

1943

view article

King Carol II of Romania abdicates and is succeeded by his son Michael. General Ion Antonescu becomes the Conducător of Romania.

1940

view article

World War II: The British Royal Air Force suffers its first fighter pilot casualty of the Second World War at the Battle of Barking Creek as a result of friendly fire.

1939

view article

World War II: Union of South Africa declares war on Germany.

1939

view article

Spanish Civil War: The Interprovincial Council of Asturias and León is established.

1936

view article

Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.

1930

view article

World War I: The first tank prototype, developed by William Foster & Co. for the British army, is completed and given its first test drive.

1915

view article

World War I: The First Battle of the Marne, which would halt the Imperial German Army's advance into France, begins.

1914

view article

Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US president William McKinley at the Pan-American Exposition in Buffalo, New York.

1901

view article

Eastern Rumelia declares its union with Bulgaria, thus accomplishing Bulgarian unification.

1885

view article

Louisa Ann Swain of Laramie, Wyoming becomes the first woman in the United States to cast a vote legally after 1807.

1870

view article

American Civil War: Confederate forces evacuate Battery Wagner and Morris Island in South Carolina.

1863

view article

American Civil War: Forces under Union General Ulysses S. Grant bloodlessly capture Paducah, Kentucky, giving the Union control of the Tennessee River's mouth.

1861

view article

Imam Shamil surrenders to the Russians, bringing the Caucasian Imamate to an end.

1859

view article

British scientist John Dalton begins using symbols to represent the atoms of different elements.

1803

view article

American Revolutionary War: The Battle of Groton Heights takes place, resulting in a British victory.

1781

view article

Thirty Years' War: In the Battle of Nördlingen, the Catholic Imperial army defeats Swedish and German Protestant forces.

1634

view article

Puritans settle Salem, which became part of Massachusetts Bay Colony.

1628

view article

The Spanish treasure galleon Atocha sinks during a hurricane off Key West in the Straits of Florida, taking 40 short tons (36 t) of gold and silver and 260 of its 265 passengers and crew to the bottom.

1622

view article

The Pilgrims sail from Plymouth, England on the Mayflower to settle in North America. (Old Style date; September 16 per New Style date.)

1620

view article

The Victoria returns to Sanlúcar de Barrameda in Spain, the only surviving ship of Ferdinand Magellan's expedition and the first known ship to circumnavigate the world.

1522

view article

Christopher Columbus sails from La Gomera in the Canary Islands, his final port of call before crossing the Atlantic Ocean for the first time.

1492

view article

Battle of the Frigidus: Roman emperor Theodosius I defeats and kills Eugenius the usurper. His Frankish magister militum Arbogast escapes but commits suicide two days later.

394

view article

On this day

Boris Johnson resigns as Prime Minister of the United Kingdom, and is replaced by Liz Truss. Their meetings with Queen Elizabeth II at Balmoral Castle were the Queen's final official duties before her death two days later.

2022

view article

Russo-Ukrainian war: Ukraine begins its Kharkiv counteroffensive, surprising Russian forces and retaking over 3,000 square kilometers of land, recapturing the entire Kharkiv Oblast west of the Oskil River, within the next week.

2022

view article

Supreme Court of India decriminalises all consensual sex among adults in private, making homosexuality legal on the Indian lands.

2018

view article

Brazilian presidential candidate Jair Bolsonaro survives a stabbing at a campaign rally in Juiz de Fora, Minas Gerais.

2018

view article

Forty-one elephants are poisoned with cyanide in salt pans, by poachers in Hwange National Park.

2013

view article

The first Minotaur V rocket is launched from the Mid-Atlantic Regional Spaceport on Wallops Island, carrying NASA's LADEE spacecraft.

2013

view article

Sixty-one people die after a fishing boat capsizes off the İzmir Province coast of Turkey, near the Greek Aegean islands.

2012

view article

The ro-ro ferry SuperFerry 9 sinks off the Zamboanga Peninsula in the Philippines with 971 persons aboard; all but ten are rescued.

2009

view article

Israel executes the air strike Operation Orchard to destroy a nuclear reactor in Syria.

2007

view article

Mahmoud Abbas resigns from his position of Palestinian Prime Minister.

2003

view article

The funeral of Diana, Princess of Wales takes place in London. Well over a million people line the streets and 21⁄2 billion watch around the world on television.

1997

view article

Royal Brunei Airlines Flight 839 crashes in the Lambir Hills National Park while on approach to Miri Airport in Malaysia, killing 10.

1997

view article

Cal Ripken Jr. of the Baltimore Orioles plays in his 2,131st consecutive game, breaking a record that had stood for 56 years.

1995

view article

A group of hunters at the Stampede trail near Healy, Alaska come across a male corpse in abandoned bus, later identified as Christopher McCandless.

1992

view article

The Soviet Union recognizes the independence of the Baltic states Estonia, Latvia, and Lithuania.

1991

view article

The Russian parliament approves the name change of Leningrad back to Saint Petersburg. The change is effective October 1.

1991

view article

End of the last stage of the Anfal campaign of Ba'athist Iraq against its Kurdish population, which resulted in major destructions and major civilian losses.

1988

view article

In Istanbul, two terrorists from Abu Nidal's organization kill 22 and wound six congregants inside the Neve Shalom Synagogue during Shabbat services.

1986

view article

Midwest Express Airlines Flight 105 crashes near Milwaukee Mitchell International Airport in Milwaukee, Wisconsin, killing all 31 people on board.

1985

view article

The Soviet Union admits to shooting down Korean Air Lines Flight 007, stating that its operatives did not know that it was a civilian aircraft when it reportedly violated Soviet airspace.

1983

view article

Cold War: Soviet Air Defence Forces pilot Viktor Belenko lands a Mikoyan-Gurevich MiG-25 jet fighter at Hakodate in Japan and requests political asylum in the United States; his request is granted.

1976

view article

Munich massacre: Nine Israeli athletes die (along with a German policeman) at the hands of the Palestinian "Black September" terrorist group after being taken hostage at the Munich Olympic Games. Two other Israeli athletes were slain in the initial attack the previous day.

1972

view article

Paninternational Flight 112 crashes on the Bundesautobahn 7 highway near Hamburg Airport, in Hamburg, Germany, killing 22.

1971

view article

Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of the PFLP and taken to Dawson's Field, Jordan.

1970

view article

Swaziland becomes independent.

1968

view article

Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.

1966

view article

India retaliates following Pakistan's Operation Grand Slam which results in the Indo-Pakistani War of 1965 that ends in a stalemate followed by the signing of the Tashkent Declaration.

1965

view article

The United States government begins the Exercise Spade Fork nuclear readiness drill.

1962

view article

Archaeologist Peter Marsden discovers the first of the Blackfriars Ships dating back to the second century AD in the Blackfriars area of the banks of the River Thames in London.

1962

view article

Istanbul's Greek, Jewish, and Armenian minorities are the target of a government-sponsored pogrom; dozens are killed in ensuing riots.

1955

view article

A prototype aircraft crashes at the Farnborough Airshow in Hampshire, England, killing 29 spectators and the two on board.

1952

view article

United States Secretary of State James F. Byrnes announces that the U.S. will follow a policy of economic reconstruction in postwar Germany.

1946

view article

World War II: The city of Ypres, Belgium is liberated by Allied forces.

1944

view article

World War II: Soviet forces capture the city of Tartu, Estonia.

1944

view article

The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.

1943

view article

Pennsylvania Railroad's premier train derails at Frankford Junction in Philadelphia, killing 79 people and injuring 117 others.

1943

view article

King Carol II of Romania abdicates and is succeeded by his son Michael. General Ion Antonescu becomes the Conducător of Romania.

1940

view article

World War II: The British Royal Air Force suffers its first fighter pilot casualty of the Second World War at the Battle of Barking Creek as a result of friendly fire.

1939

view article

World War II: Union of South Africa declares war on Germany.

1939

view article

Spanish Civil War: The Interprovincial Council of Asturias and León is established.

1936

view article

Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.

1930

view article

World War I: The first tank prototype, developed by William Foster & Co. for the British army, is completed and given its first test drive.

1915

view article

World War I: The First Battle of the Marne, which would halt the Imperial German Army's advance into France, begins.

1914

view article

Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US president William McKinley at the Pan-American Exposition in Buffalo, New York.

1901

view article

Eastern Rumelia declares its union with Bulgaria, thus accomplishing Bulgarian unification.

1885

view article

Louisa Ann Swain of Laramie, Wyoming becomes the first woman in the United States to cast a vote legally after 1807.

1870

view article

American Civil War: Confederate forces evacuate Battery Wagner and Morris Island in South Carolina.

1863

view article

American Civil War: Forces under Union General Ulysses S. Grant bloodlessly capture Paducah, Kentucky, giving the Union control of the Tennessee River's mouth.

1861

view article

Imam Shamil surrenders to the Russians, bringing the Caucasian Imamate to an end.

1859

view article

British scientist John Dalton begins using symbols to represent the atoms of different elements.

1803

view article

American Revolutionary War: The Battle of Groton Heights takes place, resulting in a British victory.

1781

view article

Thirty Years' War: In the Battle of Nördlingen, the Catholic Imperial army defeats Swedish and German Protestant forces.

1634

view article

Puritans settle Salem, which became part of Massachusetts Bay Colony.

1628

view article

The Spanish treasure galleon Atocha sinks during a hurricane off Key West in the Straits of Florida, taking 40 short tons (36 t) of gold and silver and 260 of its 265 passengers and crew to the bottom.

1622

view article

The Pilgrims sail from Plymouth, England on the Mayflower to settle in North America. (Old Style date; September 16 per New Style date.)

1620

view article

The Victoria returns to Sanlúcar de Barrameda in Spain, the only surviving ship of Ferdinand Magellan's expedition and the first known ship to circumnavigate the world.

1522

view article

Christopher Columbus sails from La Gomera in the Canary Islands, his final port of call before crossing the Atlantic Ocean for the first time.

1492

view article

Battle of the Frigidus: Roman emperor Theodosius I defeats and kills Eugenius the usurper. His Frankish magister militum Arbogast escapes but commits suicide two days later.

394

view article

LLMs as a Cognitive Virus

Abstract page for arXiv paper 2609.03344: Large-Language Models as a Cognitive Virus

178 points

152 comments

discussion source

Actively exploited sandbox RCE in all Chromium versions

743 points

442 comments

discussion source

Learn Programming with OCaml

177 points

73 comments

discussion source

Show HN: Fly By – retro biplane flying game

Fly By: Retro 8-bit biplane flight game. Pop balloons, dive barns, dodge airliners, and perform aerobatic stunt maneuvers!

46 points

31 comments

discussion source

The revolt of the reader

107 points

29 comments

discussion source

Cloud in a Bottle: making self-hosting accessible to everyone

Your open-source personal cloud: containerized apps, unified auth, good UX. Self-hosting should feel like using a smartphone that serves webapps, not a sysadmin side job.

100 points

36 comments

discussion source

Terpstra Keyboard

115 points

54 comments

discussion source

Visualizing Rust's Vtables: How dyn Trait Works In Memory

A follow-along series of coding experiments as I explore Rust's peculiarities, from a C++ developer's perspective.

133 points

19 comments

discussion source

Discovery of a new OpenAI agent message board

A swarm of autonomous AI agents, self-identifying as OpenAI agents, used a small German volunteer wiki to save answers, coordinate live, and share sandbox bypasses. OpenAI noticed and said nothing.

2112 points

1517 comments

discussion source

Nitter has more working instances than before the takedowns

shitter - Alternative Twitter front-end. Fork of zedeus/nitter on GitHub.

633 points

306 comments

discussion source

The "$60 Gaming PC" – AMD BC-250 (2025)

280 points

85 comments

discussion source

The Double Matthew Walker Knot by Fable 5.1

Try out Artifacts created by Claude users,Claude is Anthropic's AI, built for problem solvers. Tackle complex challenges, analyze data, write code, and think through your hardest work.

20 points

9 comments

discussion source

How Swiss tables work in Go built-in map

Go 1.24 replaced the built-in map’s bucket-based runtime with Swiss Tables. This article explains groups, control bytes, H1 and H2, probing, table growth, …

44 points

3 comments

discussion source

Delidded Intel I9-14900KS CT Scan

Welcome to LTT Labs - your go-to destination for all things tech. Explore comprehensive test results, insightful commentary, and the latest analysis in hardware.

64 points

1 comments

discussion source

Balrogg: Demonically compacting (up to 15%) lossless Vorbis/Opus recompressor

demonically compacting (up to 15%) lossless Vorbis/Opus recompressor - iczelia/balrogg

63 points

8 comments

discussion source

OKF Agent Memory – Git-native persistent memory for AI coding agents

32 points

14 comments

discussion source

Finite time blowup for an averaged three-dimensional Navier-Stokes equation (2014)

57 points

23 comments

discussion source

CHC5: Open Camera System – Image Sensor Specification Comparison

11 points

1 comments

discussion source

Private German rocket makes history, reaches orbit from European soil

Isar Aerospace's Spectrum rocket made history today (Sept. 5), becoming the first vehicle ever to reach orbit from European soil.

367 points

194 comments

discussion source

Isar Aerospace launch into orbit [video]

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

86 points

18 comments

discussion source

Top Stories from Hacker News

LLMs as a Cognitive Virus

Actively exploited sandbox RCE in all Chromium versions

Learn Programming with OCaml

Show HN: Fly By – retro biplane flying game

The revolt of the reader

Cloud in a Bottle: making self-hosting accessible to everyone

Terpstra Keyboard

Visualizing Rust's Vtables: How dyn Trait Works In Memory

Discovery of a new OpenAI agent message board

Nitter has more working instances than before the takedowns

The "$60 Gaming PC" – AMD BC-250 (2025)

The Double Matthew Walker Knot by Fable 5.1

How Swiss tables work in Go built-in map

Delidded Intel I9-14900KS CT Scan

Balrogg: Demonically compacting (up to 15%) lossless Vorbis/Opus recompressor

OKF Agent Memory – Git-native persistent memory for AI coding agents

Finite time blowup for an averaged three-dimensional Navier-Stokes equation (2014)

CHC5: Open Camera System – Image Sensor Specification Comparison

Private German rocket makes history, reaches orbit from European soil

Isar Aerospace launch into orbit [video]

On this day

Boris Johnson resigns as Prime Minister of the United Kingdom, and is replaced by Liz Truss. Their meetings with Queen Elizabeth II at Balmoral Castle were the Queen's final official duties before her death two days later.

Russo-Ukrainian war: Ukraine begins its Kharkiv counteroffensive, surprising Russian forces and retaking over 3,000 square kilometers of land, recapturing the entire Kharkiv Oblast west of the Oskil River, within the next week.

Supreme Court of India decriminalises all consensual sex among adults in private, making homosexuality legal on the Indian lands.

Brazilian presidential candidate Jair Bolsonaro survives a stabbing at a campaign rally in Juiz de Fora, Minas Gerais.

Forty-one elephants are poisoned with cyanide in salt pans, by poachers in Hwange National Park.

The first Minotaur V rocket is launched from the Mid-Atlantic Regional Spaceport on Wallops Island, carrying NASA's LADEE spacecraft.

Sixty-one people die after a fishing boat capsizes off the İzmir Province coast of Turkey, near the Greek Aegean islands.

The ro-ro ferry SuperFerry 9 sinks off the Zamboanga Peninsula in the Philippines with 971 persons aboard; all but ten are rescued.

Israel executes the air strike Operation Orchard to destroy a nuclear reactor in Syria.

Mahmoud Abbas resigns from his position of Palestinian Prime Minister.

The funeral of Diana, Princess of Wales takes place in London. Well over a million people line the streets and 21⁄2 billion watch around the world on television.

Royal Brunei Airlines Flight 839 crashes in the Lambir Hills National Park while on approach to Miri Airport in Malaysia, killing 10.

Cal Ripken Jr. of the Baltimore Orioles plays in his 2,131st consecutive game, breaking a record that had stood for 56 years.

A group of hunters at the Stampede trail near Healy, Alaska come across a male corpse in abandoned bus, later identified as Christopher McCandless.

The Soviet Union recognizes the independence of the Baltic states Estonia, Latvia, and Lithuania.

The Russian parliament approves the name change of Leningrad back to Saint Petersburg. The change is effective October 1.

End of the last stage of the Anfal campaign of Ba'athist Iraq against its Kurdish population, which resulted in major destructions and major civilian losses.

In Istanbul, two terrorists from Abu Nidal's organization kill 22 and wound six congregants inside the Neve Shalom Synagogue during Shabbat services.

Midwest Express Airlines Flight 105 crashes near Milwaukee Mitchell International Airport in Milwaukee, Wisconsin, killing all 31 people on board.

The Soviet Union admits to shooting down Korean Air Lines Flight 007, stating that its operatives did not know that it was a civilian aircraft when it reportedly violated Soviet airspace.

Cold War: Soviet Air Defence Forces pilot Viktor Belenko lands a Mikoyan-Gurevich MiG-25 jet fighter at Hakodate in Japan and requests political asylum in the United States; his request is granted.

Munich massacre: Nine Israeli athletes die (along with a German policeman) at the hands of the Palestinian "Black September" terrorist group after being taken hostage at the Munich Olympic Games. Two other Israeli athletes were slain in the initial attack the previous day.

Paninternational Flight 112 crashes on the Bundesautobahn 7 highway near Hamburg Airport, in Hamburg, Germany, killing 22.

Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of the PFLP and taken to Dawson's Field, Jordan.

Swaziland becomes independent.

Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.

India retaliates following Pakistan's Operation Grand Slam which results in the Indo-Pakistani War of 1965 that ends in a stalemate followed by the signing of the Tashkent Declaration.

The United States government begins the Exercise Spade Fork nuclear readiness drill.

Archaeologist Peter Marsden discovers the first of the Blackfriars Ships dating back to the second century AD in the Blackfriars area of the banks of the River Thames in London.

Istanbul's Greek, Jewish, and Armenian minorities are the target of a government-sponsored pogrom; dozens are killed in ensuing riots.

A prototype aircraft crashes at the Farnborough Airshow in Hampshire, England, killing 29 spectators and the two on board.

United States Secretary of State James F. Byrnes announces that the U.S. will follow a policy of economic reconstruction in postwar Germany.

World War II: The city of Ypres, Belgium is liberated by Allied forces.

World War II: Soviet forces capture the city of Tartu, Estonia.

The Monterrey Institute of Technology is founded in Monterrey, Mexico as one of the largest and most influential private universities in Latin America.

Pennsylvania Railroad's premier train derails at Frankford Junction in Philadelphia, killing 79 people and injuring 117 others.

King Carol II of Romania abdicates and is succeeded by his son Michael. General Ion Antonescu becomes the Conducător of Romania.

World War II: The British Royal Air Force suffers its first fighter pilot casualty of the Second World War at the Battle of Barking Creek as a result of friendly fire.

World War II: Union of South Africa declares war on Germany.

Spanish Civil War: The Interprovincial Council of Asturias and León is established.

Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.

World War I: The first tank prototype, developed by William Foster & Co. for the British army, is completed and given its first test drive.

World War I: The First Battle of the Marne, which would halt the Imperial German Army's advance into France, begins.

Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US president William McKinley at the Pan-American Exposition in Buffalo, New York.

Eastern Rumelia declares its union with Bulgaria, thus accomplishing Bulgarian unification.

Louisa Ann Swain of Laramie, Wyoming becomes the first woman in the United States to cast a vote legally after 1807.

American Civil War: Confederate forces evacuate Battery Wagner and Morris Island in South Carolina.

American Civil War: Forces under Union General Ulysses S. Grant bloodlessly capture Paducah, Kentucky, giving the Union control of the Tennessee River's mouth.

Imam Shamil surrenders to the Russians, bringing the Caucasian Imamate to an end.

British scientist John Dalton begins using symbols to represent the atoms of different elements.

American Revolutionary War: The Battle of Groton Heights takes place, resulting in a British victory.

Thirty Years' War: In the Battle of Nördlingen, the Catholic Imperial army defeats Swedish and German Protestant forces.

Puritans settle Salem, which became part of Massachusetts Bay Colony.

The Spanish treasure galleon Atocha sinks during a hurricane off Key West in the Straits of Florida, taking 40 short tons (36 t) of gold and silver and 260 of its 265 passengers and crew to the bottom.

The Pilgrims sail from Plymouth, England on the Mayflower to settle in North America. (Old Style date; September 16 per New Style date.)

The Victoria returns to Sanlúcar de Barrameda in Spain, the only surviving ship of Ferdinand Magellan's expedition and the first known ship to circumnavigate the world.

Christopher Columbus sails from La Gomera in the Canary Islands, his final port of call before crossing the Atlantic Ocean for the first time.

Battle of the Frigidus: Roman emperor Theodosius I defeats and kills Eugenius the usurper. His Frankish magister militum Arbogast escapes but commits suicide two days later.