Thursday, December 5, 2013

1953 Discovery of DNA

James Dewey Watson (born April 6, 1928), is an American molecular biologist, geneticist and zoologist, best known as a co-discoverer of the structure of DNA with Francis Crick. Watson has written many science books, his bestselling book The Double Helix (1968) about the DNA structure discovery.


Wednesday, December 4, 2013

1941 Pearl Harbor

The attack on Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the US naval base at Pearl HarborHawaii, on the morning of December 7, 1941. The attack led to the United States' entry into World War II.


1937 The Golden Gate Bridge

It is one of the most internationally recognized symbols of San Francisco, California, and the United States. It has been declared one of the Wonders of the Modern World by the American Society of Civil Engineers. It had until 1964 the longest suspension bridge main span in the world, at 4,200 feet (1,280 m).

1935 The FBI was established

The bureau was established in 1908 as the Bureau of Investigation (BOI). Its name was changed to the Federal Bureau of Investigation (FBI) in 1935. The FBI headquarters is 
the J. Edgar Hoover Building, located in Washington, D.C. 

1932 Franklin Delano Roosevelt

32nd President of the United States (1933–1945), served for 12 years and four terms until his death in 1945, the only president ever to do so, and a central figure in world events during the mid-20th century, leading the United States during a time of worldwide economic depression and total war.


1931 Empire State Building

Is a 103-story skyscraper located in Midtown ManhattanNew York City. It stood as the world's tallest building for nearly 40 years, with its antenna spire included a total of 1,454 ft (443.2 m) high.


1927 Charles Lindbergh flight

Lindbergh was the first person in history to be in New York one day and Paris the next (he made solo non-stop flight). Lindbergh, a U.S. Army Air Corps Reserve officer, was also awarded the nation's highest military decoration, the Medal of Honor, for his historic exploit.