Era
- 20th century 23 results
- 19th century 16 results
- 18th century 8 results
- World War, 1939-1945 7 results
- 1728-1779 4 results
- 21st century 3 results
- 1912-1945 2 results
- 1933-1945 2 results
- 1945-1953 2 results
- 1521-1812 1 results
- 1660-1714 1 results
- 1714-1837 1 results
- 1750-1829 1 results
- 1788-1851 1 results
- 1799-1873 1 results
- 17th century 1 results
- 1813-1885 1 results
- 1824-1894 1 results
- 1845-1935 1 results
- 1850-1950 1 results
- 1868- 1 results
- 1880-1964 1 results
- 1900-1918 1 results
- 1918-1945 1 results
- 1945- 1 results
- 1976-2000 1 results
- 1976-2002 1 results
- Allied occupation, 1945-1952 1 results
- Civil War, 1861-1865 1 results
- Discovery and exploration 1 results