I just discovered that @pierregiannone joined X on Saturday, May 15, 2021! They were earlier than 40% of other checked accounts. 

On the same day in 1988, Carrollton bus collision: A drunk driver traveling the wrong way on Interstate 71 near Carrollton, Kentucky hits a converted school bus carrying a church youth group. Twenty-seven die in the crash and ensuing fire. 

Check when your account was created at