Answer
The answer is 1978. Chiang Ching-kuo, the son of former President Chiang Kai-shek, was elected as the sixth President of the Republic of China in 1978, succeeding Yen Chia-kan. His presidency marked a significant period in Taiwan's history, characterized by political reforms, economic growth, and international recognition. Chiang Ching-kuo played a pivotal role in Taiwan's transition towards democratization and strengthening its global presence.