During the time the island of Taiwan was annexed by Japan under the Shimonoseki Treaty of 1895 until 1945 (about 50 years), Imperial Japan had enforced Taiwanese assimilation to Japanese language and culture.
The island of Taiwan was annexed by Japan under the Shimonoseki Treaty of 1895 until 1945. During the latter period of this time, Imperial Japan enforced Taiwanese assimilation to Japanese language and culture. 
