On this day in 1989, the Chinese government called in the military to put down a prodemocracy demonstration staged by more than 100,000 people in Tiananmen Square in Beijing, resulting in hundreds of deaths.
More Events on this day:
1904: American physician and surgeon Charles Richard Drew, a pioneer in the preservation of blood plasma and a lifelong critic of official decisions to separate the blood of whites and blacks in blood banks, was born in Washington, D.C.
1864: Considered one of the worst Northern defeats of the American Civil War, the second Battle of Cold Harbor (Virginia), which would result in the loss of about 7,000 Union soldiers under General Ulysses S. Grant, began.
Source: Encyclopædia Britannica Online Daily