The NASA spacecraft Cassini took a photograph of Saturn with Earth in the distance (detail pictured), for which people were invited to "wave at Saturn".
The Troubles: The Provisional Irish Republican Army announced that it would resume its ceasefire, ending its 28-year campaign against British rule in Northern Ireland.
A car bomb killed the anti-Mafia judge Paolo Borsellino and five policemen in Palermo, Italy, less than two months after the murder of Borsellino's friend and colleague Giovanni Falcone.
Following Peace Day celebrations marking the end of the First World War, English ex-servicemen unhappy with unemployment and other grievances rioted and burned down Luton Town Hall.
First World War: The "worst 24 hours in Australia's entire history" occurred when Australian forces unsuccessfully attacked German defences at Fromelles, France.