On this day in 868, a copy of the Diamond Sutra was printed in China, making it the world's oldest dated printed book.
On this day in 1812, in the lobby of the British House of Commons, Spencer Perceval became the only British Prime Minister to be assassinated.
On this day in 2014, 15 people were killed and 46 injured in Kinshasa in a stampede caused by tear gas being thrown into the stand by police officers attempting to defuse a hostile incident.