Flag of Hong Kong Kong was granted on 21 January 1959 by the College of Arms in London. The Hong Kong flag was revised in the same year to feature the coat of arms in the Blue Ensign flag. This design was used officially from 1959 until Hong Kong's transfer of sovereignty in 1997. Since then, the colonial flag has been appropriated by protestors, such as on the annual 1 July marches for universal suffrage, as a "symbol of antagonism towards the mainland", along with a blue flag featuring the coat of arms, used by those advocating independence. Before Hong Kong's transfer of sovereignty,
Handover of Hong Kong room for compromise on the question of sovereignty over Hong Kong; the PRC, as the successor of Qing dynasty and the Republic of China on the mainland, would recover the entirety of the New Territories, Kowloon and Hong Kong Island. China considered treaties about Hong Kong as unequal and ultimately refused to accept any outcome that would indicate permanent loss of sovereignty over Hong Kong's area, whatever wording the former treaties had. During talks with Thatcher, China planned to invade and seize Hong Kong if the negotiations set off unrest in the colony. Thatcher later said that Deng told her