1205 – The Battle of Adrianople takes place between the Crusading armies of Europe and the Bulgars. The Bulgars prove victorious after a well-executed ambush.
1865 – At Ford’s Theater in Washington DC, actor John Wilkes Booth fatally shoots US President Abraham Lincoln. The attack came only five days after the American Civil War effectively ended with the surrender of Confederate General Robert E Lee at Appomattox.
1931 – Britain’s Ministry of Transport issues the first Highway Code – a set of guidelines and rules for drivers.
1954 – Soviet diplomat Vladimir Petrov asks for political asylum in Canberra, Australia. He confirms that British diplomats Burgess and Maclean were Russian spies.
1981 – The Space shuttle Columbia makes its first successful orbital flight.
1983 – Introduction of the first cordless telephone, able to operate up to 600 feet away from its base.