1683 ― First settlers from Germany to U.S., leave aboard the Concord
1701 ― French make 1st landing at site of Detroit
1704 ― Great Britain takes Gibraltar from Spain
1783 ― Georgia becomes a protectorate of Tsarist Russia
1824 ― Harrisburg Pennsylvanian newspaper publishes results of first public
opinion poll. Clear lead for Andrew Jackson
1866 ― Tennessee becomes 1st Confederate state readmitted to Union
1870 ― First trans-U.S. rail service begins
1877 ― Federal troops are for first time used to combat strikers
1923 ― Allied Powers & Turkey sign peace treaty, Lausanne
1948 ― Soviets blockade Berlin from the west
1969 ― Apollo 11 returns to Earth
1991 ― University of Manchester scientists announce finding a planet outside of
the solar system