From GameWatcher: “The Elder Scrolls Online players are in for a week’s worth of Double XP and gold, as the MMORPG’s Explorer’s Celebration Event has now begun. Available to all players, here’s what you need to know about its start and end dates.
The ESO Explorer’s Celebration Event had its start date yesterday, May 13, its bonuses being available for all players, regardless of which part of Tamriel they choose for their adventures. With the upcoming Blackwood Chapter launching early next month, now would be a great time to focus on leveling a new character.”
Source: N4G PC The Elder Scrolls Online Explorer's Celebration 2021 Event Begins – Get Double XP and Gold