The <a href="https://en.wikipedia.org/wiki/Sino-British_Joint_Declaration" id="mwAQs" rel="mw:WikiLink" title="Sino-British Joint Declaration">Sino-British Joint Declaration</a>, stating that China would resume the exercise of sovereignty over Hong Kong and the United Kingdom would restore Hong Kong to China with effect from July 1, 1997, is signed in Beijing by <a href="https://en.wikipedia.org/wiki/Deng_Xiaoping" id="mwAQw" rel="mw:WikiLink" title="Deng Xiaoping">Deng Xiaoping</a> and <a href="https://en.wikipedia.org/wiki/Margaret_Thatcher" id="mwAQ0" rel="mw:WikiLink" title="Margaret Thatcher">Margaret Thatcher</a>.