Oslo is the capital city of Norway.
Eight years before the present day, a number of Overwatch facilities in the city came under attack. Overwatch launched an investigation of the incident, and conducted a review of its security procedures. It was soon discovered that the attack had been conducted by Antonio of the Talon terrorist organization.
- 2018-04-03, OVERWATCH OFFICIALS RESPOND TO ATTACK ON OSLO FACILITY. Blizzard Entertainment, accessed on 2018-04-04