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On this day

Rory McIlroy wins the Masters Tournament, becoming just the sixth person to complete the Grand Slam in golf.

2025

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Six people and the perpetrator are killed and twelve others injured in a mass stabbing at Westfield Bondi Junction shopping centre in Sydney, Australia.

2024

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The house of Jack Teixeira is raided in an investigation into leaked Pentagon documents; he is arrested on the same day.

2023

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Three people are killed in a shooting in Overland Park, Kansas.

2014

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Salam Fayyad resigns as Prime Minister of the Palestinian National Authority following an ongoing dispute with the President Mahmoud Abbas.

2013

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Lion Air Flight 904 crashes on approach to Ngurah Rai International Airport in Denpasar, Indonesia, injuring 40 people.

2013

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A fire destroys a homeless hostel and kills at least 22 people in Kamień Pomorski, Poland.

2009

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The United Front for Democratic Change's attack on the Chadian capital of N'Djamena is repelled by the Chadian army

2006

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Tiger Woods becomes the youngest golfer to win the Masters Tournament.

1997

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Two women and four children are killed after Israeli helicopter fired rockets at an ambulance in Mansouri, Lebanon.

1996

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The United States Treasury Department reintroduces the two-dollar bill as a Federal Reserve Note on Thomas Jefferson's 233rd birthday as part of the United States Bicentennial celebration.

1976

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Forty workers die in the Lapua Cartridge Factory explosion, the deadliest industrial accident in modern Finnish history.

1976

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An attack by the Phalangist resistance kills 26 militia members of the Popular Front for the Liberation of Palestine, marking the start of the 15-year Lebanese Civil War.

1975

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The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.

1972

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Vietnam War: The Battle of An Lộc begins.

1972

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At 10:08 PM EST an oxygen tank aboard the Apollo 13 Service Module explodes, putting the crew in great danger and causing major damage to the Apollo command and service module (codenamed "Odyssey") while en route to the Moon.

1970

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At the Academy Awards, Sidney Poitier becomes the first African-American man to win the Best Actor award for the 1963 film Lilies of the Field.

1964

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The United States launches Transit 1-B, the world's first satellite navigation system.

1960

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CIA director Allen Dulles launches the mind-control program Project MKUltra.

1953

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In an ambush, 78 Jewish doctors, nurses and medical students from Hadassah Hospital, and a British soldier, are massacred by Arabs in Sheikh Jarrah. This event came to be known as the Hadassah medical convoy massacre.

1948

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World War II: German troops kill more than 1,000 political and military prisoners in Gardelegen, Germany.

1945

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World War II: Soviet and Bulgarian forces capture Vienna.

1945

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World War II: The discovery of mass graves of Polish prisoners of war killed by Soviet forces in the Katyń Forest Massacre is announced, causing a diplomatic rift between the Polish government-in-exile in London and the Soviet Union, which denies responsibility.

1943

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The Jefferson Memorial is dedicated in Washington, D.C., on the 200th anniversary of President Thomas Jefferson's birth.

1943

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A pact of neutrality between the USSR and Japan is signed.

1941

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A.E.K., a major Greek multi-sport club, is established in Athens by Greek refugees from Constantinople.

1924

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Jallianwala Bagh massacre: British Indian Army troops led by Brigadier-General Reginald Dyer kill approximately 379–1,000 unarmed demonstrators including men and women in Amritsar, India; and approximately 1,500 injured.

1919

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The 31 March Incident leads to the overthrow of Sultan Abdul Hamid II.

1909

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The Colfax massacre: More than 60 to 150 black men are murdered in Colfax, Louisiana, while surrendering to a mob of former Confederate soldiers and members of the Ku Klux Klan.

1873

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The New York City Metropolitan Museum of Art is founded.

1870

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American Civil War: Raleigh, North Carolina is occupied by Union forces.

1865

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American Civil War: Union forces surrender Fort Sumter to Confederate forces.

1861

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Lajos Kossuth presents the Hungarian Declaration of Independence in a closed session of the National Assembly.

1849

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The Roman Catholic Relief Act 1829 gives Roman Catholics in the United Kingdom the right to vote and to sit in Parliament.

1829

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American Revolutionary War: American forces are ambushed and defeated in the Battle of Bound Brook, New Jersey.

1777

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George Frideric Handel's oratorio Messiah makes its world premiere in Dublin, Ireland.

1742

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The Sikh religion is formalised as the Khalsa – the brotherhood of Warrior-Saints – by Guru Gobind Singh in northern India, in accordance with the Nanakshahi calendar.

1699

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Samuel Argall, having captured Pocahontas in Passapatanzy, Virginia, sets off with her to Jamestown with the intention of exchanging her for English prisoners held by her father.

1613

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Samurai Miyamoto Musashi defeats Sasaki Kojirō in a duel at Funajima island.

1612

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Thirteen Years' War: the beginning of the Battle for Kneiphof.

1455

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Constantinople falls to the Crusaders of the Fourth Crusade, temporarily ending the Byzantine Empire.

1204

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Saladin routs his Muslim opponents, the Zengids, in the battle of the Horns of Hama, consolidating his control over Syria except for Aleppo.

1175

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Henry V, King of Germany, is crowned Holy Roman Emperor by pope Paschal II.

1111

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Election of Pope Victor II following the death of Pope Leo IX in the previous year.

1055

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The death of Bardas Phokas the Younger in the battle of Abydos ends his second rebellion against Byzantine Emperor Basil II.

989

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Top Stories from Hacker News

Who is Satoshi Nakamoto? My quest to unmask Bitcoin's creator

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Six (and a half) intuitions for KL divergence

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MegaTrain: Full Precision Training of 100B+ Parameter LLMs on a Single GPU

Abstract page for arXiv paper 2604.05091: MegaTrain: Full Precision Training of 100B+ Parameter Large Language Models on a Single GPU

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Git commands I run before reading any code

Five git commands that tell you where a codebase hurts before you open a single file. Churn hotspots, bus factor, bug clusters, and crisis patterns.

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Expanding Swift's IDE Support

You can now write Swift in a broader range of popular IDEs, including Cursor, VSCodium, AWS’s Kiro, and Google’s Antigravity. By leveraging VS Code extension compatibility, these editors tap directly into the Open VSX Registry, where the official Swift extension is now live.

138 points

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They're made out of meat (1991)

Copyright, Terry Bisson, 1991 Originally published in OMNI, 1991, and featured in HARPER’S and around the internet since. It has even made its way into several books on consciousness and brain science. I’m surprised, pleased, and proud. But please do not reprint, perform, alter or adapt in any way without first checking with the author. Thanks.

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LittleSnitch for Linux

Discover powerful applications such as Little Snitch Mini, Little Snitch, LaunchBar and Micro Snitch.

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Show HN: Is Hormuz open yet?

Live status of the Strait of Hormuz

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I ported Mac OS X to the Nintendo Wii

Mac OS X 10.0 (Cheetah) running natively on the Nintendo Wii

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Understanding the Kalman filter with a simple radar example

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ML promises to be profoundly weird

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Muse Spark: Scaling towards personal superintelligence

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The Importance of Being Idle

315 points

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John Deere to pay $99M in right-to-repair settlement

The ag manufacturing giant will also make digital diagnostic, maintenance, and repair tools available to third parties for 10 years.

395 points

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I imported the full Linux kernel git history into pgit

Portfolio of Oliver Seifert, a Software Engineer & Electronics Technician from Bern, Switzerland.,I imported the entire Linux kernel git history into pgit's PostgreSQL-backed storage. 1,428,882 commits, 24.4 million file versions, 20 years of development. Here's what the kernel looks like when you can just ask.

162 points

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USB for Software Developers: An introduction to writing userspace USB drivers

A basic introduction to USB for people that don't need to know what happens on the wire

408 points

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Understanding Traceroute

I never understood how traceroute discovers each hop. Turns out it's a clever TTL trick, and about 80 lines of Rust.

176 points

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What does it mean to “write like you talk”?

Subordinate clauses, phrasal modifications, and metadiscourse

103 points

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Newly created Polymarket accounts win big on well-timed Iran ceasefire bets

Customers make hundreds of thousands of dollars as records show substantial bets made before announcement

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