June 4 - Emily Davison, a suffragette, runs out in front of the king's horse, Anmer, at the Epsom Derby. She is trampled and dies a few days later, never having regained consciousness.
June 15 Bud Bagsak Massacre: US troops under General John 'Black Jack' Pershing killed at least 2,000 relatively defenceless men, women and children, Bud Bagsak, Philippines.
December 1 - Ford Motor Company introduces the first moving assembly line, reducing chassis assembly time from 12 1/2 hours in October to 2 hours, 40 minutes (although Ford was not the first to use an assembly line, his successful adoption of one did spark an era of mass production).