World History By gwynn Period: 1839 to 1842 First Opium War 1848 Gold Rush Period: 1850 to 1864 Taiping Rebellion The most deadliest civil rebellion to date. Approximately 20 million killed. 1852 Foreign Minors Tax Period: 1856 to 1860 Second Opium War 1865 Pacific Railroad Hires Chinese Labor 1869 Trans-Continental Railroad Completion 1870 Naturalization Act 1870 Depression / Recession 1871 Mob Lynching of Chinese, L.A 1875 Page Law 1882 Chinese Exclusion Act 1884 China France War China defeated in war with France. Establishment of French Indo-China.