2016: Forty-nine civilians are killed and 58 others injured in an attack on a gay nightclub in Orlando, Florida; the gunman, Omar Mateen, is killed in a gunfight with police.
2009: A disputed presidential election in Iran leads to wide-ranging local and international protests.
1994: Nicole Brown Simpson and Ron Goldman are murdered outside Simpson's home in Los Angeles. Her estranged husband, O.J. Simpson is later charged with the murders, but is acquitted by a jury.
1993: An election takes place in Nigeria which is later annulled by the military Government led by Ibrahim Babangida.
1943: Holocaust: Germany liquidates the Jewish Ghetto in Brzeżany, Poland (now Berezhany, Ukraine). Around 1,180 Jews are led to the city's old Jewish graveyard and shot.
1942: Anne Frank receives a diary for her thirteenth birthday.
1914: Massacre of Phocaea: Turkish irregulars slaughter 50 to 100 Greeks and expel thousands of others in an ethnic cleansing operation in the Ottoman Empire.
1899: New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
1775: American Revolution: British general Thomas Gage declares martial law in Massachusetts. The British offer a pardon to all colonists who lay down their arms. There would be only two exceptions to the amnesty: Samuel Adams and John Hancock, if captured, were to be hanged.
1381: Peasants' Revolt: In England, rebels arrive at Blackheath.
1240: At the instigation of Louis IX of France, an inter-faith debate, known as the Disputation of Paris, starts between a Christian monk and four rabbis.
910: Battle of Augsburg: The Hungarians defeat the East Frankish army under King Louis the Child, using the famous feigned retreat tactic of the nomadic warriors.