![This Day in History for April 12 – Civil War Begins and More](http://wac.450f.edgecastcdn.net/80450F/tsminteractive.com/files/2012/04/gettysburg.jpg?w=980&q=75)
This Day in History for April 12 – Civil War Begins and More
Here’s a look at some interesting events that took place on this day in history:
1861 – The Civil War begins with Confederate forces firing on Fort Sumter, in the harbor of Charleston, SC (More info)
1945 – President Franklin D. Roosevelt dies while in office (More info)
1955 – The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective (More info)
1961 – Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space (More info)
1992 – Euro Disneyland, later Disneyland Paris, opens (More info)
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