St. Peter’s Basilica in The Vatican City was consecrated, becoming the world’s largest Christian basilica.
Source
After two and a half years of Alpha and Beta development, the full version of Minecraft was released.
The people of Latvia gathered together to proclaim the Republic of Latvia as an independent nation.
Morocco's King Mohammed V returned after being exiled in 1955.
St. Elizabeth's flood began in the evening when a seawall at the Zuiderzee dike in the Netherlands broke.
NASA's MAVEN space probe was launched from the Cape Canaveral Air Force Station.