Dominique Strauss-Kahn resigned as head of the International Monetary Fund, saying he wanted to devote all his energy to battling the sexual assault charges he faced in New York. (The charges were later dropped.).
Randy Johnson, 40, became the oldest pitcher in major league history to throw a perfect game, leading the Arizona Diamondbacks over the Atlanta Braves 2-0.
45 people die in the United States' worst school massacre. In the Bath school disaster, a disgruntled school board member set off several bombs at the Bath Consolidated School and other locations in Michigan.
The Supreme Court endorsed the concept of "separate but equal" racial segregation in Plessy v. Ferguson, a precedent that was overturned in Brown v. Board of Education in 1954.
The first German National Assembly gathers in Frankfurt. The assembly constituted the first freely elected parliament of Germany. It produced a constitution that provided the basis for today's constitution of Germany (Grundgesetz).