On this day in history, April 26
1478 – The Pazzi attack Lorenzo de' Medici and kill his brother Giuliano during High Mass in the Duomo of Florence.
1721 – A massive earthquake devastates the Iranian city of Tabriz.
1803 – Thousands of meteor fragments fall from the skies of L'Aigle, France; the event convinces European science that meteors exist.
1865 – Union cavalry troopers corner and shoot dead John Wilkes Booth, assassin of President Lincoln, in Virginia.
1923 – The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey.
1933 – The Gestapo, the official secret police force of Nazi Germany, is established.
1945 – World War II: Battle of Bautzen – last successful German tank-offensive of the war and last noteworthy victory of the Wehrmacht.
1946 – Naperville train disaster kills 47.
1954 – The Geneva Conference, an effort to restore peace in Indochina and Korea, begins.
1958 – Final run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City after 68 years, the first U.S. passenger train to use electric locomotives.
1962 – NASA's Ranger 4 spacecraft crashes into the Moon.
1965 – A Rolling Stones concert in London, Ontario is shut down by police after 15 minutes due to rioting.
1966 – An earthquake of magnitude 7.5 destroys Tashkent.
1966 – A new government is formed in the Republic of Congo, led by Ambroise Noumazalaye.
1981 – Dr. Michael R. Harrison of the University of California, San Francisco Medical Center performs the world's first human open fetal surgery.
1982 – 57 people are killed by former police officer Woo Bum-kon in a shooting spree in Gyeongsangnam-do, South Korea.
1986 – A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Soviet Union (now Ukraine), creating the world's worst nuclear disaster.
1989 – The deadliest tornado in world history strikes Central Bangladesh, killing upwards of 1,300, injuring 12,000, and leaving as many as 80,000 homeless.
1989 – People's Daily publishes the People's Daily editorial of April 26 which inflames the nascent Tiananmen Square protests
1994 – China Airlines Flight 140 crashes at Nagoya Airport in Japan, killing 264 of the 271 people on board.