The Francis Scott Key Bridge collapses following a collision between the MV Dali container ship and one of the bridge's support pillars, killing 6 people.
Russia-wide anti-corruption protests in 99 cities. The Levada Center survey showed that 38% of surveyed Russians supported protests and that 67 percent held Putin personally responsible for high-level corruption.
The South Korean Navy corvette Cheonan is torpedoed, killing 46 sailors. After an international investigation, the President of the United Nations Security Council blames North Korea.
Around 200,000 to 300,000 Taiwanese demonstrate in Taipei in opposition to the Anti-Secession Law of China.
During the Algerian Civil War, the Oued Bouaicha massacre sees fifty-two people, mostly infants, killed with axes and knives.
Thirty-nine bodies are found in the Heaven's Gate mass suicides.
Argentina, Brazil, Uruguay and Paraguay sign the Treaty of Asunción, establishing Mercosur, the South Common Market.
Singapore Airlines Flight 117 is hijacked by four Pakistani terrorists and diverted to Changi Airport.
A groundbreaking ceremony for the Vietnam Veterans Memorial is held in Washington, D.C.
Social Democratic Party (UK) is founded as a party.
Anwar al-Sadat, Menachem Begin and Jimmy Carter sign the Egypt–Israel peace treaty in Washington, D.C.
An Interflug Ilyushin Il-18 crashes at Quatro de Fevereiro Airport during a rejected takeoff, killing 10.
The Biological Weapons Convention comes into force.
East Pakistan, then a province of Pakistan, declares its independence from Pakistan to form Bangladesh; the Bangladesh War of Independence begins.
South Vietnamese President Nguyễn Văn Thiệu implements a land reform program to solve the problem of land tenancy.
Ten thousand people gather for one of many Central Park be-ins in New York City.
The African Regroupment Party is launched at a meeting in Paris.
Pan Am Flight 845/26 ditches in the Pacific Ocean off the coast of Oregon, killing four.
Nuclear weapons testing: The Romeo shot of Operation Castle is detonated at Bikini Atoll. Yield: 11 megatons.