On the 12th April 1945, Harry Truman became the 33rd President of the United States when his predecessor, Franklin D Roosevelt, suddenly died while having his portrait painted.
The Stone of Scone was found on the site of the High Altar at Arbroath Abbey, nearly four months after it disappeared from Westminster Abbey.
On the 10th April 1858 Big Ben – the bell inside the clocktower at the Palace of Westminster in Britain – was cast.
John Hancock, one of Boston’s wealthiest merchants and a leading figure in Boston politics, forcibly removed customs officials from his ship Lydia.
On 8th April 1904, a series of agreements between Britain and France known as the Entente Cordiale were signed.
Matilda, the daughter of King Henry I of England, was declared the ‘Lady of England and Normandy’ in advance of a coronation that never took place.
The United States entered the First World War after Congress declared war on the German Empire.
Julius and Ethel Rosenberg were sentenced to death in the United States for conspiracy to commit espionage.
The Nazi Party founded a paramilitary organisation that became the Schutzstaffel, better known as the SS.
The first Pony Express service left the American city of St Joseph in Missouri destined for Sacramento in California.
On the 1st April 1924, Adolf Hitler was found guilty of treason for his role in the Beer Hall Putsch and sentenced to five years in jail.
On the 30th March 1939, Batman made his first appearance when Detective Comics #27 went on sale.
On the 28th March 1871 the Paris Commune was proclaimed and met for the first time.
At 9am on the 26th March 1945, the Battle of Iwo Jima ended as US Marines officially secured the island from the Japanese Imperial Army during the War in the Pacific.