Margaret Davis (born 1847)

In 1847, in the year that Margaret Davis was born, on July 29th, Cumberland School of Law was opened in Lebanon Tennessee - the 11th oldest law school in the United States. As of the end of the year, the United States had 15 law schools.

In 1901, John Pierpont "J. P." Morgan created U.S. Steel. J.P. Morgan was an American banker and financier who dominated U.S. business at this time. He had previously overseen the creation of General Electric, as well as International Harvester and AT&T. He has been referred to as America's greatest banker. U.S. Steel was the first billion dollar company in the world, worth $1.4 billion in 1901.

In 1911, the Triangle Shirtwaist fire occurred, one of the deadliest industrial disasters in U.S. history. 146 workers (123 women and 23 men, many of them recent Jewish and Italian immigrants) died from the fire or by jumping to escape the fire and smoke. The garment factory was on the 8th, 9th, and 10th floors of a building in Greenwich Village in Manhattan. Doors to stairwells and exits had been locked in order to prevent workers from taking unauthorized breaks and to prevent theft, so they couldn't escape by normal means when the fire broke out. Due to the disaster, legislation was passed to protect sweatshop workers.

In 1952, on July 2, Dr. Jonas E. Salk tested the first dead-virus polio vaccine on 43 children. The worst epidemic of polio had broken out that year - in the U.S. there were 58,000 cases reported. Of these, 3,145 people had died and 21,269 were left with mild to disabling paralysis.

In 1983, on August 30th, the Soviet Union claimed that a South Korean Boeing 747 jetliner (Flight 007), bound for Seoul from New York City, had strayed into Soviet airspace. Saying that they believed it to be a U.S. spy plane, the passenger jet was shot down by a Soviet SU-15 fighter - after it had tracked the airliner for two hours. All 269 passengers (including a U.S. Representative from Georgia) and crew were killed.