Japan during World War I land targets in Shandong province and ships in Qiaozhou Bay from the seaplane-carrier "Wakamiya". On 6 September 1914 a seaplane launched by "Wakamiya" unsuccessfully attacked the Austro-Hungarian cruiser "Kaiserin Elisabeth" and the German gunboat "Jaguar" with bombs. The Siege of Tsingtao concluded with the surrender of German colonial forces on 7 November 1914. In February 1915, marines from the Imperial Japanese Navy ships based in Singapore helped suppress a mutiny by Indian troops against the British government. With Japan's European allies heavily involved in the war in Europe, Japan sought further to consolidate its position in China by presenting the
Postage stamps and postal history of Germany for the various colonial territories which had a uniform appearance depicting the imperial yacht "SMY Hohenzollern". After Germany lost control of its colonies in the course of World War I, overprinted yacht stamps were temporarily used by the new colonial rulers. Imperial Germany maintained post offices in certain towns in Morocco, Turkey, and China. Issued stamps can be recognized by the cancellation stamp or the overprint may show local denomination and the name of the country. During World War I, German authorities issued stamps in occupied countries, namely Belgium, Poland, Romania, and areas of the western and eastern front. The