The first nuclear reactor in the U.S. in a squash court at the University of Chicago.
There, using a uranium-235-based reactor, Italian-American physicist Enrico Fermi achieved the first sustained nuclear chain reaction on December 2, 1942.
It was a crucial step in the development of nuclear weapons and nuclear power.
New York socialite Samuel Ward McAllister created the term in 1892, when he planned a party to be held in Mrs. William Astor’s ballroom. Since the ballroom held only 400 people, McAllister limited the invitations to those he decided were the inner elite of New York society.
The Hundred Years’ War was a conflict between France and England for control of France. It took place over a period of 116 years, from 1337 to 1453, with peaceful intervals of varying length. The French won.
The third Olympiad, held in St. Louis, Missouri, in 1904 was the first Olympics held in the United States.
The tradition with writing autobiographies began with the nation’s second president, John Adams.
The first eight-hour day in America was instituted for federal employees in public work projects in 1868. Before the law was passed, an average workday could run 10 to 12 hours. In 1867, the Illinois state legislature had passed a law proclaiming the eight-hour day to be “the legal workday in the state.” But the…
In Ronald Reagan’s first job after college, the future president (served 198189) broadcasted play-by-play accounts of major league baseball games from Station WHO in Des Moines, Iowa.