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Subject (Era)
- 19th century[remove]44
- 20th century[remove]44
- 1800-199916
- 18th century11
- 21st century6
- 17th century3
- 1600-19992
- 1700-20992
- 1700-19991
- 1800 - 19991
- 1800-18991
- 1800-20991
- 1884-19601
- Boxer Rebellion, 1899-19011
- Civil War, 1861-18651
- Civil War, 1936-19391
- Colonial period, ca. 1600-17751
- Foreign intervention, 1857-18611
- May Fourth movement, 19191
- Opium War, 1840-18421