1865

Four people were hanged in Washington, D.C. for conspiring with John Wilkes Booth to assassinate President Abraham Lincoln: Lewis Powell, David Herold, George Atzerodt and Mary Surratt, the first woman to be executed by the federal government.

1976

The United States Military Academy at West Point included female cadets for the first time as 119 women joined the Class of 1980.

1981

President Ronald Reagan nominated Arizona Judge Sandra Day O’Connor to become the first female justice on the U.S. Supreme Court.

1990

The first “Three Tenors” concert was held as opera stars Luciano Pavarotti, Placido Domingo and Jose Carreras performed at Rome’s Baths of Caracalla.