The Anglo-Japanese Alliance was an alliance between the United Kingdom and the Empire of Japan which was effective from 1902 to 1923. The treaty creating the alliance was signed at Lansdowne House in
Japanese copy of the alliance treaty
Hayashi Tadasu, Japanese signatory of the alliance
Illustration by E.Huskinson for the Conservative Party c. 1905–1910.
Lord Lansdowne, the British signatory
Japan entered World War I as a member of the Allies on 23 August 1914, seizing the opportunity of Imperial Germany's distraction with the European War to expand its sphere of influence in China and th
1909 cartoon in the U.S. magazine Puck shows (clockwise from rightmost figure) US, Germany, Britain, France and Japan engaged in a naval race in a "no limit" game