Event:
1st attempt at motion pictures (used 12 cameras, each taking 1 picture) done to see if all 4 of a horse's hooves leave the ground
More Notable Events on June 15:
1994 Ruth Bader Ginsburg, sworn in as Supreme Court Justice
1924 Native Americans are proclaimed U.S. citizens
1916 Boys Scouts of America receives congressional charter
1887 Carlisle D. Graham survives 2nd ride in Niagara waterfall in barrel
1836 Arkansas becomes 25th state
