<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The transfer of sovereignty over Hong Kong from the United Kingdom to China, referred to as "the Handover" internationally or "the Return" in China, took place on 1 July 1997 . The landmark event marked the end of British administration in Hong Kong, and is often regarded as the watershed of the British Empire . </P> <P> Hong Kong's territory was acquired from three separate treaties: the Treaty of Nanking in 1842, the Convention of Peking in 1860, and The Convention for the Extension of Hong Kong Territory in 1898, which gave the UK the control of Hong Kong Island, Kowloon (area south of Boundary Street), and the New Territories (area north of Boundary Street and south of the Sham Chun River, and outlying islands), respectively . </P>

When did hong kong become part of china