Context: In 1927, the Kuomintang (KMT; Nationalist Party) under Generalissimo Chiang Kai-shek again established Nanjing as the capital of the Republic of China, and this became internationally recognized once KMT forces took Beijing in 1928. The following decade is known as the Nanking decade.

Question: When was Nanjing re-established as the capital of the Republic of China?
Answer: 1927

Question: What party established Nanjing as the capital of the Republic of China?
Answer: the Kuomintang (KMT; Nationalist Party)

Question: Who was the leader of the Kuomintang (KMT; Nationalist Party)?
Answer: Generalissimo Chiang Kai-shek

Question: What are the 1930's known as, in China?
Answer: the Nanking decade

Question: When did the Kuomintang (KMT; Nationalist Party) defeat and take over Beijing?
Answer: 1928