In April 2015, former Secretary of State Hillary Rodham Clinton formally announced her candidacy for the 2016 presidential election, marking her much-anticipated return to the political arena.

On April 12, 1992, after five years of intense planning and construction, Euro Disneyland, now known as Disneyland Paris, threw open its gates to the public in Marne-la-Vallée, France.

In 1988, a groundbreaking decision by the U.

In a historic milestone for American politics and space exploration, Senator Jake Garn, a Republican from Utah, made headlines on April 12, 1985, as he became the first sitting member of Congress to fly in space.

The space shuttle Columbia is launched from Cape Canaveral, Florida, becoming the first reusable manned spacecraft to travel into space.

Title: Farewell to a Champion: The Passing of Joe Louis On April 12, 1981, the world mourned the loss of boxing legend Joe Louis, who passed away at the age of 66 in Las Vegas, Nevada.

In Cambodia, the U.S.

On April 12, 1961, aboard the spacecraft Vostok 1, Soviet cosmonaut Yuri Alekseyevich Gagarin becomes the first human being to travel into space.

On April 12, 1961, the world witnessed a historic milestone in human achievement as Soviet cosmonaut Yuri Gagarin became the first human to travel into space.

Sir Archibald McIndoe was a New Zealand-born surgeon whose pioneering treatment of burns victims during the Second World War revolutionised plastic surgery.