Recurring Events
Iron Banner - weeklong 6v6 PvP mode where gear and levels matter.
Trials of Osiris - 3v3 competitive Elimination mode available on the weekends.
Sparrow Racing League - 3 weeklong, 6 player, free-for-all Sparrow racing mode.
Holiday Events
Halloween
Festival of the Lost is the 2015 Halloween event that began on October 26, 2015.