Macau was handed over from Portugal to China in 1999. https://en.wikipedia.org/wiki/Macau#Transfer_of_sovereignty_and_SAR_status https://en.wikipedia.org/wiki/

Macau was handed over from Portugal to China in 1999. https://en.wikipedia.org/wiki/Macau#Transfer_of_sovereignty_and_SAR_status https://en.wikipedia.org/wiki/Macau#Transfer_of_sovereignty_...