Background
In 1895, in order to thank Germany for intervening in Liaoning against Japan, the Chinese government forced Japan to withdraw from the Liaodong Peninsula and they acquired the Treaty of Shimonoseki and allowed Germany to open of a concession in China. On October 3, Germany opened its second concession in China in Tientsin.
Occupation
The day following Chinese ceasing of relations Chinese police officers entered the concession and occupied the e territory take the guards and administrators captive. China later declared war on August 14, 1917.[1]
Aftermath
Following the end of the war Germany gave up all rights to it in the treaty of Versailles and China turned it into the First Special Zone of Tientsin.[1].
China
Germany