A ferry carrying 100 passengers capsizes in the Padma River, killing 70 people.
A train crash in Buenos Aires, Argentina, kills 51 people and injures 700 others.
The Organisation of the Islamic Conference summit begins in Lahore, Pakistan. Thirty-seven countries attend and twenty-two heads of state and government participate. It also recognizes Bangladesh.
World War II: American aircraft mistakenly bomb the Dutch towns of Nijmegen, Arnhem, Enschede and Deventer, resulting in 800 dead in Nijmegen alone.
Mexican–American War: The Battle of Buena Vista: Five thousand American troops defeat 15,000 Mexicans troops.