The Lake Merritt Wild Duck Refuge became the first US wildlife sanctuary.
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President Richard Nixon signed the US Endangered Species Act into law.
A military dog 'Nemo' saved the life of his handler, Airman Robert A. Throneburg, during the Vietnam War.
The first cloned animal from an adult animal cell was announced.
The state of California became the first to ban fur products.
In San Diego, California, SeaWorld announced that it would phase out its orca shows following protests.
