1. 1840- 1842 the first opium war, the treaty of nanking signed by the Qing dynasty and Britain, marked the beginning of China's semi-feudal and semi-colonial society.
1856- 1860 In the Second Opium War, the Qing Dynasty signed the Beijing Treaty with Britain and France, and then the Qing Dynasty established the Prime Minister's Office, marking the beginning of the semi-colonization of the central government of the Qing Dynasty. During this period, Russia occupied more than 6,543,800 square kilometers of land in the northwest and northeast of China.
Extended data:
Treaty of nanking:
Also known as the Peace Treaty of Ten Thousand Years, the White Gate Treaty and the Jiangning Treaty, it was the first unequal treaty in China's modern history. The agreement was signed on August 29th 1842 (July 24th, Daoguang 22nd) by Jiao Ying, an imperial envoy of the Qing government, and Pu Dinghui, a British representative, aboard the British ship "Gao Huali" anchored on Xiaguan River in Nanjing, marking the end of the first opium war.
Treaty of nanking asked China:
(1) ceded Hong Kong Island;
(2) Compensation for British opium price, commercial debt and military expenditure * * * 21000000 silver dollars;
(3) There are five trading ports, and Guangzhou, Fuzhou, Xiamen, Ningbo and Shanghai are open as trading ports, allowing British people to live and send consuls;
(4) For the agreed tariffs, British businessmen should pay import and export goods tax and reimbursement fees, and China Customs has no right to decide independently;
(5) Abolish the public banking system and allow British businessmen to trade freely in China.