Portugal Portugal and China agreed in 1979 to regard Macau as “a Chinese territory under (temporary) Portuguese administration”. Negotiations between the Chinese and Portuguese governments on the question of Macau started in June 1986. In 1987, an international treaty, known as the Sino-Portuguese Joint Declaration, was signed to make Macau a Special Administrative Region of the People’s Republic of 1987 China. The Chinese government assumed sovereignty over Macau on December 20, 1999, ending 329 years of Portuguese rule
Home / Questions / The 1997 transfer of Hong Kong from Great Britain to China is well-known. But in 1999, which country relinquished its claim on Macau also handing it over to China?