With over 250 active hot springs, amongst them Old Faithful, Yellowstone National Park is home to some of nature's most amazing wildlife and rare geological phenomenon. Yellowstone was the first National Park in the United States, and to this day rem

As the war draws to an end, the United States, headed by President Wilson, emerges as the moral leader of the Western World, and the League of Nations is formed.

World War I: The Western Front, March - September 1918

The nations of Europe struggle for power and borders, and new alliances are formed, exploding into the war said to end all wars.

Following the re-election of President Roosevelt, America begins building its Navy fleet as the debate whether to enter the war or not continues.

At 9 O'clock on Sunday, 1945, the war finally comes to an end, following the victory of the Allied forces.

Having ignored American demands for surrender, the Japanese were now to experience a new kind of destruction.

Even men toughened by combat, were sickened by the sight of the horrors of Concentration Camps.

On D-Day, June 6, 1944, an Allied force led by General Dwight D. Eisenhower launched the greatest amphibious invasion of all time against German defenses on the coast of Normandy, France.

On December 7, 1941, Japanese airplanes strike the U.S. naval base at Pearl Harbor, bringing the United States into World War II.

As in Poland, the blitzkrieg was violent, brutal and well executed.

On Sept 1, 1939, Hitler unleashed his blitzkrieg. "Our strength is in our quickness and in our brutality," he screamed, "Be hard. Be without mercy."

Japan's answer to the economic blunder of the depression was WAR.

Many Caribbean residents rely on the land or the sea to earn their living.

Cattle herding and shifting cultivation in western Africa.

Arlington National Cemetery, including the Tomb of the Unknowns, and the Vietnam Veterans Memorial, Washington, D.C., U.S.

On July 2, 1976, North and South Vietnam were finally unified.

On January 23, 1973, the agreement on ending the war and restoring peace in Vietnam was initiated.

Learn how a what was supposed to be a step towards ending the war, only made it worse.

By the spring of 1964, the Vietcong has reach an estimated power of 60,000 troops.