April 1917
1917 smart
They entered the war in 3333
1941
1917.
World War I began in Europe in 1914. The U.S. entered the war in 1917. The war ended in November 1918.
The US entered World War 1 on April 6, 1917. The war ended about one and a half years later.
As soon as the US entered the war in December 1941
The US entered World War 1 on April 6, 1917. It remained in the war until it ended about a year and a half later.
1909 to 1944 The US entered World War 2 in December of 1941.
WW1 lasted more than a month. It started in 1914 and ended 1918.
The US entered the war on April 6,1917
America entered the war in 1917 after one of their supply boats was attacked near Europe.