In what year did the US authorities and Taiwan Province Province sign the mutual defense treaty?

The authorities of the United States and Taiwan Province Province signed a mutual defense treaty in 1954.

The Joint Defense Treaty between the United States and Taiwan Province Province and the Republic of China is a formal international treaty signed by the United States and the authorities in 1954. This is a multi-objective treaty, which is based on the military and includes political, economic and social cooperation. The statement made by the people of the United States and China at 1979 will automatically become invalid, but then.