<Tr> <Td> <Dl> <Dd> Prehistoric </Dd> <Dd> Imperial (221 BC--1800s) <Dl> <Dd> Bao'an County and Xin'an County </Dd> </Dl> </Dd> <Dd> British Hong Kong <Dl> <Dd> Colonial (1800s--1930s) <Dl> <Dd> Convention of Chuenpi </Dd> <Dd> Treaty of Nanking </Dd> <Dd> Convention of Peking </Dd> <Dd> Convention for the Extension of Hong Kong Territory </Dd> </Dl> </Dd> <Dd> Occupied (1940s) </Dd> <Dd> Modern Hong Kong (1950s--1997) <Dl> <Dd> <Ul> <Li> 1950s </Li> <Li> 1960s </Li> <Li> 1970s </Li> <Li> 1980s </Li> <Li> 1990s </Li> </Ul> </Dd> </Dl> </Dd> <Dd> Handover to Chinese rule </Dd> </Dl> </Dd> <Dd> Hong Kong since 2000 </Dd> </Dl> </Td> </Tr> <Dl> <Dd> Prehistoric </Dd> <Dd> Imperial (221 BC--1800s) <Dl> <Dd> Bao'an County and Xin'an County </Dd> </Dl> </Dd> <Dd> British Hong Kong <Dl> <Dd> Colonial (1800s--1930s) <Dl> <Dd> Convention of Chuenpi </Dd> <Dd> Treaty of Nanking </Dd> <Dd> Convention of Peking </Dd> <Dd> Convention for the Extension of Hong Kong Territory </Dd> </Dl> </Dd> <Dd> Occupied (1940s) </Dd> <Dd> Modern Hong Kong (1950s--1997) <Dl> <Dd> <Ul> <Li> 1950s </Li> <Li> 1960s </Li> <Li> 1970s </Li> <Li> 1980s </Li> <Li> 1990s </Li> </Ul> </Dd> </Dl> </Dd> <Dd> Handover to Chinese rule </Dd> </Dl> </Dd> <Dd> Hong Kong since 2000 </Dd> </Dl> <Dd> Imperial (221 BC--1800s) <Dl> <Dd> Bao'an County and Xin'an County </Dd> </Dl> </Dd> <Dl> <Dd> Bao'an County and Xin'an County </Dd> </Dl>

The town an important industrial centre in the 1950s