May 15 (May 15) is the 135th day of the year in the Gregorian calendar (136th in leap years). There are 230 more days until the end of the year.
1440 - Ladislav V Posmrče, about three months old, crowned Hungarian king in Ston, Belgrade.
1536 - An English court finds Anna Bohlen, the second wife of King Henry VIII, and her brother, Lord Rochefort, guilty of adultery and incest and sentences them to death.
1571 - Tatars conquer and set fire to Moscow.
1767 - Genoa sells Corsica to France.
1796 - Napoleon Bonaparte's troops enter Milan.
1848 - An uprising erupts in Vienna against the absolutist regime, which forces the government to withdraw the mandated constitution passed on April 25 and call elections.
1918 - The world's first airmail service departs between New York, Philadelphia and Washington.
1923 - Britain recognizes Transjordan under Emir Abdullah as an independent state.
1935 - The first line of the Moscow metro is opened
1940 - The first nylon socks begin to be sold in the United States.
1940 - A Dutch army surrenders in World War II.
1943 - The Comintern is dissolved.
1945 - Allied units of the Red Army and the NOVJ expel German troops from Yugoslavia in World War II. According to official data, 1,706,000 people died in the four-year war, and the country was destroyed and devastated.
1948 - The newly created state of Israel is attacked by Egyptian planes, and Lebanese and Jordanian troops from the north and east, thus starting the 1948 Arab-Israeli war.
1955 - An Austrian state treaty is signed in Vienna, ending a ten-year Allied occupation, and Austria becomes an independent republic within 1 January 1938.
1957 - Britain conducts the first hydrogen bomb test in the central Pacific.
Radio B92 was founded
Soviet President Mikhail Gorbachev announced the end of Sino-Soviet schisms in Beijing.
1991 - Edith Cresson becomes France's first female prime minister.
1992 - Thousands of opposition supporters in Azerbaijan occupy the parliament building and the presidential palace in Baku. The next day, President Ajaz Mutalibov was overthrown and fled to Moscow.
1992 - During the withdrawal of the Yugoslav People's Army from Bosnia, a military convoy is attacked in Tuzla. 49 soldiers killed.
Right-wing leader Atal Bihari Vajpayee became one before