Era
- 20th century 44 results
- 21st century 16 results
- 19th century 8 results
- 1837-1901 2 results
- 1921-2008 2 results
- 1945-1960 2 results
- 1945-1989 2 results
- 1966-1998 2 results
- 1976-2000 2 results
- 1976-2002 2 results
- 1988- 2 results
- 2009- 2 results
- American Invasion, 1989 2 results
- Civil War, 1861-1865 2 results
- Civil War, 1994- 2 results
- Civil War, 2011- 2 results
- Revolution, 1986 2 results
- Tiananmen Square Incident, 1989 2 results
- World War, 1939-1945 2 results