22 July – The 2011 Norway attacks: At least 76 people are killed in twin terrorist attacks in Norway after a bombing in the Regjeringskvartalet, the government center in Oslo and a massacre in the political youth camp in the island of Utøya.
It contains a number of important buildings such as the Parliament of Norway Building, several government buildings in the Regjeringskvartalet, the Trefoldighetskirken (Trinity Church), and the Centralteatret.