https://www.gamespot.com/articles/destiny-2s-first-curse-of-osiris-raid-lair-launche/1100-6455508/

Much like with a standard Raid, teams around the world raced to be the first to complete Eater of Worlds, Destiny 2's first Raid Lair. Less than two hours after it went live to all players on PC, PS4, and Xbox One, Bungie confirmed that a group of players have already finished the activity for the first time.