1386: Treaty of Windsor between Portugal and England (oldest diplomatic alliance in the world still in force)

1865: President Andrew Johnson issues a proclamation declaring armed resistance in the South is virtually at an end; this is the commonly accepted end date of the American Civil War

1901: The First Australian Parliament opens in Melbourne, though the first working session will not be until 21 May

1941: British intelligence at Bletchley Park breaks German spy codes after capturing Enigma machines aboard the weather ship Muenchen

1945: World War II: The Soviet Union marks Victory Day

1960: US becomes the first country to legalize the birth control pill

2018: Historic win in Malaysian general election by opposition coalition Pakatan Harapan led by 92 year old former Prime Minister Dr. Mahathir bin Mohamad, defeating Prime Minister Najib Razak and ending 61 years of rule by the Barisan Nasional coalition

Source: Onthisday.com