historymatters.gmu.edu

D1V5D TIL "The day of two noons,” November 18, 1883, when people were required to stop what they were doing and reset their clocks anywhere from two to thirty minutes in the adoption of standard time zones.
VMRyQ TIL John D Rockefeller Jr was forced to testify to the Commission of Industrial Relations for his role in (and blamed in the media for masterminding) the 1913 Ludlow Massacre where 21 people including women and children were killed in an attack on a camp of striking coal workers.