28th April 1789 – Captain William Bligh and 18 sailors were set adrift and the rebel crew returned to Tahiti briefly and then set sail for Pitcairn Island. The incident became known as the Mutiny on the Bounty. 1920 – Azerbaijan was added to the Soviet Union. (I collect stamps and coins, not countries). 1932 – A vaccine for yellow fever was announced for use on humans. 1945 – Benito Mussolini and his mistress Clara Petacci were executed by a firing squad consisting of members of the Italian resistance movement. 1949 – Former First Lady of the Philippines Aurora Quezon, 61, was assassinated while en route to dedicate a hospital in memory of her late husband; her daughter and 10 other people were also killed. 1952 – The United States occupation of Japan ended. 1965 – United States troops landed in the Dominican Republic to "forestall establishment of a Communist dictatorship" and to evacuate U.S. Army troops. 1970 – U.S. President Richard M. Nixon formally au...