*. 1897– Lattimer massacre: A sheriff's possekills 20 unarmed immigrant miners in Pennsylvania, United States.
*. 1898– Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
*. 1918– Russian Civil War: The Red Army captures Kazan.
*. 1932– The New York City Subway's third competing subway system, the municipally-owned IND, is opened.
*. 1935– India's first all-boys public school, The Doon School, is founded.
*. 1936– First World Individual Motorcycle Speedway Championship, Held at London's (England) Wembley Stadium
*.1939 – World War II: Canada declares war on Nazi Germany, joining the Allies– Poland, France, the United Kingdom, New Zealand and Australia.
*. 1946– While riding a train to Darjeeling, Sister Teresa Bojaxhiu of the Loreto Sisters' Convent claimed to have heard the call of God, directing her "to leave the convent and help the poor while living among them". She would become known as Mother Teresa.
*. 1960– At the 1960 Summer Olympics in Rome, Abebe Bikila becomes the first sub-Saharan African to win a gold medal, winning the marathon in bare feet.
*. 1961– Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari.
*. 1967– The people of Gibraltar vote to remain a British dependency rather than becoming part of Spain.
*. 1972– The United States suffers its first loss of an international basketball game in a disputed match against the Soviet Unionat the 1972 Summer Olympicsin Munich, Germany.
*. 1974– Guinea-Bissau gains independence from Portugal.
*. 1976– A British Airways Hawker Siddeley Trident and an Inex-Adria DC-9 collidenear Zagreb, Yugoslavia, killing 176.
*. 1977– Hamida Djandoubi, convicted of torture and murder, is the last person to be executed by guillotinein France.
*. 1990– The Basilica of Our Lady of Peacein Yamoussoukro, Côte d'Ivoire, the largest church in Africa, is consecrated by Pope John Paul II.
*. 2000– Operation Barras successfully frees six British soldiers held captive for over two weeks and contributes to the end of the Sierra Leone Civil War.
*. 2001– Charles Ingram cheats his way into winning one million pounds on a British version of Who Wants to Be a Millionaire?.
*.2001 – Antônio da Costa Santos, mayor of Campinas, Brazil is assassinated.
*. 2003– Anna Lindh, the foreign minister of Sweden, is fatally stabbed while shopping, and dies the following day.
*. 2007– Former Prime Minister of Pakistan Nawaz Sharif returns to Pakistan after seven years in exile, following a military coup in October 1999.