Era
- 20th century 22 results
- 19th century 9 results
- 1943- 3 results
- 1984- 2 results
- 1987- 2 results
- 1996- 2 results
- 21st century 2 results
- Civil War, 1861-1865 2 results
- 1728-1779 1 results
- 1789-1900 1 results
- 1832-1898 1 results
- 1852-1934 1 results
- 1871-1918 1 results
- 1871-1937 1 results
- 1898-1976 1 results
- 1906-1978 1 results
- 1923-1988 1 results
- Cenozoic 1 results
- Medieval period, 1066-1485 1 results
- Mesozoic 1 results
- Miocene 1 results
- Neogene 1 results
- New Zealand Wars, 1843-1847 1 results
- New Zealand Wars, 1860-1872 1 results
- Quaternary 1 results