1204: The Fourth Crusade occupies and plunders Constantinople

1811: First US colonists on the Pacific coast arrive at Cape Disappointment, Washington

1861: Fort Sumter in South Carolina is attacked by the Confederacy, beginning the American Civil War

1927: Kuomintang leader Chiang Kai-shek begins a counter-revolution by violently suppressing Communist groups

1961: Soviet cosmonaut Yuri Gagarin becomes the first human to travel into space and orbit Earth, aboard the Vostok 1 spacecraft

2023: Ghana is the first country to approve a new vaccine for malaria, Mosquirix (RTS,S), developed at Oxford University. It is the first major vaccine approved first in Africa.

Source: Onthisday.com