Taiwan's Legislative Yuan passes legislation legalizing same-sex marriage and limited joint-custody rights, making Taiwan the first country in Asia to do so. President Tsai Ing-wen and her cabinet helped draft the bill, and she will sign it into law on or before May 24.
Taiwanese premier William Lai announces his resignation and former premier Su Tseng-chang succeeds him.
Taiwanese President Tsai Ing-wen resigns as leader of the Democratic Progressives and refuses Prime Minister William Lai's offer to quit after a major defeat in local elections.
Referendum voters in Taiwan reject a proposal to allow same-sex marriage. A March 2017 Constitutional Court ruling found the ban on these unions unconstitutional and ordered parliament to change the law within two years. Earlier, the government said the results of this vote would not affect its complying with the court's decision.
Tainan Mayor William Lai Ching-te is appointed as the new Premier by the President of the Republic of China Tsai Ing-wen.