Hong Kong independence a Hong Kong representative in the Sino-British negotiation was rejected by Beijing. In 1984, the British and Chinese governments signed the Sino-British Joint Declaration which stated that the sovereignty of Hong Kong should be transferred to the PRC on 1 July 1997, and Hong Kong should enjoy a "high degree of autonomy" under the "One Country, Two Systems" principle. From 1983 to 1997, Hong Kong saw an exodus of emigrants to overseas countries, especially in the wake of the 1989 Tiananmen Square crackdown, which more than a million Hongkongers showed up on the streets to support to student protesters in
Young Plan (Hong Kong) 1980s during the Sino-British negotiations on Hong Kong's sovereignty. The demand and attempts for constitutional reform in Hong Kong had occurred from time to time, but it had been an intractable problem for the Colonial Government due to the overwhelmingly majority of the Chinese population. Until during the Second World War when Hong Kong was under Japanese occupation, the collapse of the British imperial power in East Asia in the face of Japanese onslaught and also the emergence of a demand form the Chinese Nationalist Government under Chiang Kai-shek for the retrocession of Hong Kong during the war, forced the