1306 - Robert the Bruce became King of Scotland.
1807 - The Slave Trade Act "An Act for the Abolition of the Slave Trade" was signed. It made slave trading illegal throughout the British Empire.
"Slavery is still practised in new forms that today affect millions of men, women and children across the world."
Koichiro Matsuura
1957 - The European Economic Community was established. The members were West Germany, France, Italy, Belgium, the Netherlands and Luxembourg.
1969 - During their honeymoon, John Lennon and Yoko Ono held their first Bed-In for Peace in the Amsterdam Hilton Hotel.
1975 - King Faisal of Saudi Arabia was shot and killed at his palace in Riyadh, by his mentally ill nephew.
March 25th also used to be the start of the new year in England, Wales, Ireland, and the future United States until the adoption of the Gregorian Calendar in 1752. (The year 1751 began on 25 March; the year 1752 began on 1 January.)