The United States entered into World War I in April 1917, more than two and a half years after the war began in Europe. Apart from an Anglophile element...

Austro-Hungarian entry into World War I British entry into World War I German entry into World War I Russian entry into World War I Ottoman entry into World War I American...

of World War I Historiography of the causes of World War I American entry into World War I Austro-Hungarian entry into World War I British entry into World...

Germany entered into World War I on August 1, 1914, when it declared war on Russia. In accordance with its war plan, it ignored Russia and moved first...

The Russian Empire's entry into World War I unfolded gradually in the days leading up to July 28, 1914. The sequence of events began with Austria-Hungary's...

The Ottoman Empire's entry into World War I began when two recently purchased ships of its navy, which were still crewed by German sailors and commanded...

opposition to Russian expansion. The alliance facilitated Japanese entry into World War I, but did not require Japan to do so. William Howard Taft in August...

entry into World War I German entry into World War I Ottoman entry into World War I Russian entry into World War I Allies of World War I Triple Entente...

World War I July Crisis Diplomatic history of World War I Color book American entry into World War I French entry into World War I German entry into World...

There was substantial public opposition to U.S. entry into the war. The American entry into World War I came on April 6, 1917, after a year long effort...