1730 biologist Otto Friedrich Müller, the first
to see bacteria clearly (which was made possible by other scientists'
invention of achromatic, or blur-free, microscopes) |
1879
Thomas A. Edison successfully demonstrated the electric light. |
1889
Thomas Edison showed his first motion picture. |
1896 Henri Becquerel had just discovered radioactivity
in uranium salts, in the same year in which Marie Curie isolated
radium and Wilhelm Roentgen discovered the X ray. |
1904
The first rapid transit subway, the IRT, opened in New York City. |
1908
Henry Ford introduced the Model T car to the market; each car
cost $825. |
1913
Federal Income Tax was signed into law (at 1%). |
1915
25,000 women marched in New York City, demanding the right to
vote. |
1929
The first talking motion picture was taken outdoors In Old Arizona. |
1929
"Black Tuesday" descended upon the New York Stock Exchange.
Prices collapsed amid panic selling, a record 16.4 million shares
were sold, thousands of investors were wiped out, and $9 billion
was erased as America's Great Depression began. |
1945
Women in France were allowed to vote for the first time. |
1945
The first ball-point pens went on sale at Gimbels in New York
City. |
1945
The atomic bomb explodes over Hiroshima. |
1949
President Truman increased the minimum wage - from 40 cents to
75 cents an hour. |
1957
The Space Era began as "Sputnik" (USSR) orbited the
earth. |
1959
Soviet Luna 3, the first successful photo spacecraft, hit the
moon. |
1958
James van Allen discovered the radiation belt. |
1959
USSR's Luna 3 was launched. It would be the first to send back
photos of the Moon's far side. |
1964
The United States launched Ranger 6, an unmanned spacecraft carrying
television cameras that was to crash-land on the moon. |
1977
The supersonic Concorde made its first landing in New York City
after 19 months of delays caused by residents concerned about
the noise |
1984
Space shuttle Challenger astronaut Kathy Sullivan became the
first American woman to walk in space. |
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