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6 Jan 2000
The Pyrenean ibex went extinct after the last surviving member of the species was killed by a falling branch.
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22 Feb 1997
The first cloned animal from an adult animal cell was announced.
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28 Feb 1977
The first killer whale calf was born in captivity at Marineland in Los Angeles, California.
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28 Dec 1973
President Richard Nixon signed the US Endangered Species Act into law.
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4 Dec 1966
A military dog 'Nemo' saved the life of his handler, Airman Robert A. Throneburg, during the Vietnam War.
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15 Dec 1960
The red robin was officially named Britain's National Bird.
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14 Apr 1958
Sputnik 2 soviet spacecraft burned up, returning through Earth's atmosphere.
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3 Nov 1957
The Soviet Union sent a dog into space aboard the spacecraft Sputnik II.
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4 Jan 1903
The famous elephant called Topsy was executed at Luna Park, Coney Island, in New York.
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17 Feb 1876
Julius Wolff supplied the first canned sardines from Maine, USA.
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1 Jun 1874
The Philadelphia Zoo opened. At the time, it was the only zoo in the 'New World.'
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18 Mar 1870
The Lake Merritt Wild Duck Refuge became the first US wildlife sanctuary.
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21 Mar 1859
The First Zoological Society in the US was formed in Philadelphia.
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13 Apr 1796
The United States received its first elephant.
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18 Jan 1733
The first polar bear in America was exhibited in Boston.
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26 Nov 1716
The United States exhibited the country's first-ever lion in Boston.
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15 Jun 1667
The first documented blood transfusion took place using sheep blood in a teenage boy.
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8 Jan 1493
Christopher Columbus sighted manatees for the first time ever.
