Updated July 22, 2024 at 10:45 a.m. On this day in 2011, Anders Behring Breivik, a right-wing extremist from Norway, first detonated a car in Oslo before attacking the Norwegian Labour Party’s youth camp on the island of Utøya. Get This Happened straight to your inbox ✉️ each day! Sign up here. How many people were killed in the Norway terrorist attacks?By the end of the day, a total of 77 people, mostly teenagers and young adults, were killed in the Utøyaterrorist attack. What was the motive behind the Norway attacks?Anders Behring Breivik’s motive for the attack was rooted in his extreme rig…