Sir Francis Drake sets out around the world, the National Guard is born, Al Gore concedes, and Saddam Hussein is caught, all on this day.
1545: The Council of Trent begins. The ecumenical council of the Roman Catholic Church would meet for 25 sessions over the next 18 years, issuing reform decrees and specifying Catholic doctrine on salvation, the sacraments and the Biblical canon, as an answer to Protestant disputes.
On the morning of April 19, 1995 Timothy McVeigh killed 168 people during the Oklahoma City bombing. Find out more about that tragedy here.