Hong Kong Island was ceded to Britain after the First Opium War, marking the beginning of British Hong Kong.
The New Territories and outlying islands were leased to Britain for 99 years, expanding British Hong Kong.
Hong Kong was occupied by Japan during World War II until it was liberated by Allied forces.
China and the UK signed the Sino-British Joint Declaration, agreeing that Hong Kong would be returned to China in 1997 under the "one country, two systems" principle.
On July 1, 1997, Hong Kong was occupied by CCP, ending over 150 years of British colonial rule.
Pro-democracy protests, known as the Umbrella Movement, took place in response to proposed reforms to Hong Kong's electoral system.
Mass protests erupted in response to a proposed extradition bill, evolving into broader demands for democratic reforms and an investigation into police conduct.
China imposed the National Security Law on Hong Kong, leading to concerns over the erosion of the "one country, two systems" framework.