After three years of development with help and contributions from many enthusiasts Version 1.0.0 of the Linux kernel operating system for computers was released.
The US Government banned the importation of semi-automatic assault rifles
Sinn Féin president Gerry Adams was shot and wounded in a street attack in central Belfast, Northern Ireland
OPEC agreed to cut oil prices for first time since its was founded in 1961 .
Birth of Prince Albert of Monaco .
The Republic of Czechoslovakia was dissolved, opening the way for Nazi occupation
Death of George Eastman, inventor of the Kodak camera which helped to promote large-scale amateur photography
Death of Karl Marx, German philosopher .
Wheatstone and Cooke send first British telegraph message (some say 25 July – the electric telegraph was patented in May)
British admiral John Byng was executed by firing squad at Portsmouth harbour for failing to relieve the naval base at Minorca from a French siege