What years did the following occur?

Question

I need help in the years of the following:

World War one began in Europe

U.S entered World War one

World War one ended

World war two began in Europe

U.S entered World War two

World War two ended

LBJ sent U.S ground troops to Vietnam

U.S troops pulled out of Vietnam

Thanks in advance! =)

Answer 1

James R's answers are good. I'll add that the final U.S. troops were evacuated from Vietnam in 1975.

Answer 2

July 28, 1914

April 6, 1917

November 11, 1918

September 1-3, 1939

Japan declared war on December 7, 1941

Germany declared war on December 11, 1941

September 16, 1945

Not really sure the exact date when we entered.

When we got out is not an exact date.