TODAY IN HISTORY

In 1648,

form a guild, Boston the shoemakers first American were labor authorized organization to on record.

In 1767, the Mason-Dixon line, the boundary between colonial Pennsylvania, Maryland and Delaware, was set as astronomers Charles Mason and Jeremiah Dixon completed their survey.

In 1898, the American flag was raised in Puerto Rico shortly before Spain formally relinquished control of the island to the United States.

In 1944, Soviet troops invaded Czechoslovakia during World War II.

In 1962, James D. Watson, Francis Crick and Maurice Wilkins were honored with the Nobel Prize for Medicine and Physiology for determining the double-helix molecular structure of DNA.

In 1968, the U.S. Olympic Committee suspended Tommie Smith and John Carlos for giving a “black power” salute as a protest during a victory ceremony in Mexico City.

In 1969, the federal government banned artificial sweeteners known as cyclamates because of evidence they caused cancer in laboratory rats.

In 1977, West German commandos stormed a hijacked Lufthansa jetliner on the ground in Mogadishu, Somalia, freeing all 86 hostages and killing three of the four hijackers.

In 1997, a monument honoring American servicewomen, past and present, was dedicated at Arlington National Cemetery.