Events on June 30 46
Year 350
Roman usurper Nepotianus, of the Constantinian dynasty, is defeated and killed in Rome by troops of the usurper Magnentius.
Year 763
The Byzantine army of emperor Constantine V defeats the Bulgarian forces in the Battle of Anchialus.
Year 1521
Spanish forces defeat a combined French and Navarrese army at the Battle of Noáin during the Spanish conquest of Iberian Navarre.
Year 1559
King Henry II of France is mortally wounded in a jousting match against Gabriel, comte de Montgomery.
Year 1651
The Deluge: Khmelnytsky Uprising: The Battle of Berestechko ends with a Polish victory.
Year 1688
The Immortal Seven issue the Invitation to William (continuing the English rebellion from Rome), which would culminate in the Glorious Revolution.
Year 1860
The 1860 Oxford evolution debate at the Oxford University Museum of Natural History takes place.
Year 1864
U.S. President Abraham Lincoln grants Yosemite Valley to California for "public use, resort and recreation".
Year 1882
Charles J. Guiteau is hanged in Washington, D.C. for the assassination of U.S. President James Garfield.
Year 1886
The first transcontinental train trip across Canada departs from Montreal. It arrives in Port Moody, British Columbia on July 4.
Year 1905
Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
Year 1906
The United States Congress passes the Meat Inspection Act and Pure Food and Drug Act.
Year 1908
The Tunguska Event, the largest impact event on Earth in human recorded history, resulting in a massive explosion over Eastern Siberia.
Year 1912
The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan
Year 1921
U.S. President Warren G. Harding appoints former President William Howard Taft Chief Justice of the United States.
Year 1922
In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes-Peynado agreement, which ends the United States occupation of the Dominican Republic.
Year 1934
The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
Year 1936
Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy's invasion of his country.
Year 1944
World War II: The Battle of Cherbourg ends with the fall of the strategically valuable port to American forces.
Year 1956
A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
Year 1959
A United States Air Force F-100 Super Sabre from Kadena Air Base, Okinawa, crashes into a nearby elementary school, killing 11 students plus six residents from the local neighborhood.
Year 1963
Ciaculli bombing: a car bomb, intended for Mafia boss Salvatore Greco, kills seven police officers and military personnel near Palermo.
Year 1966
The National Organization for Women, the United States' largest feminist organization, is founded.
Year 1971
The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve.
Year 1985
Thirty-nine American hostages from the hijacked TWA Flight 847 are freed in Beirut after being held for 17 days.
Year 1986
The U.S. Supreme Court rules in Bowers v. Hardwick that states can outlaw homosexual acts between consenting adults.
Year 2013
Protests begin around Egypt against President Mohamed Morsi and the ruling Freedom and Justice Party, leading to their overthrow during the 2013 Egyptian coup d'état
Year 2015
A Hercules C-130 military aircraft with 113 people on board crashes in a residential area in Medan, Indonesia, resulting in at least 116 deaths.