On December 20, 1999, Portuguese administration of Macao came to an end as sovereignty was handed over to the PRC. Today, Macao joins Hong Kong as one of the only two special administrative regions of China, both of which operate under the principle of "one country, two systems."
1999 年 12 月 20 日，葡萄牙結束對澳門統治，主權移交給中華人民共和國，目前，澳門與香港是中國唯二實施「一國兩制」的特區。