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.
The racehorse Red Rum won an historic third Grand National at Aintree Racecourse in Liverpool.
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.
The Bosnian Crisis came to end with Serbia’s acceptance of the annexation of Bosnia and Herzegovina by Austria-Hungary.
On the 30th March 1939, Batman made his first appearance when Detective Comics #27 went on sale.
The Terracotta Army was discovered in Shaanxi province, China.
On the 28th March 1871 the Paris Commune was proclaimed and met for the first time.
Mary Mallon, better known as Typhoid Mary, was confined to permanent quarantine on North Brother Island in New York.
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.
Robert I, better known as Robert the Bruce, was crowned King of Scots at Scone.
On the 24th March 1721, German composer Johann Sebastian Bach dedicated what were to become known as the Brandenburg Concertos to Margrave Christian Ludwig of Brandenburg-Schwedt, the younger brother of King Frederick I of Prussia.