First players to reach X total XP:

100,000,000	E Ld	June 13, 2015	See rest
200,000,000	E Ld	May 2, 2016	See rest
300,000,000	E Ld	September 17, 2017	See rest
400,000,000	E Ld	April 20, 2019	See rest
500,000,000	TBD		See rest