Wā
- 19th century 11 ngā hua
- 20th century 4 ngā hua
- Cretaceous 4 ngā hua
- 21st century 3 ngā hua
- Paleocene 3 ngā hua
- 1841-1934 2 ngā hua
- 1910-1981 2 ngā hua
- 1928- 2 ngā hua
- 1970- 2 ngā hua
- New Zealand Wars, 1860-1872 2 ngā hua
- Pleistocene 2 ngā hua
- Quaternary 2 ngā hua
- 1728-1779 1 ngā hua
- 1770?-1849 1 ngā hua
- 1800-1878 1 ngā hua
- 1814-1904 1 ngā hua
- 1821?-1874 1 ngā hua
- 1824-1888 1 ngā hua
- 1836-1919 1 ngā hua
- 1840-1916 1 ngā hua
- 1840-1919 1 ngā hua
- 1851-1944 1 ngā hua
- 1852-1921 1 ngā hua
- 1856-1939 1 ngā hua
- 1866- 1 ngā hua
- 1913-1983 1 ngā hua
- 1932-1995 1 ngā hua
- 1936- 1 ngā hua
- 1943- 1 ngā hua
- 1945- 1 ngā hua
- 1946- 1 ngā hua
- 1950- 1 ngā hua
- 1951- 1 ngā hua
- 1963- 1 ngā hua
- 1964- 1 ngā hua
- 1965- 1 ngā hua
- 1972- 1 ngā hua
- Cenozoic 1 ngā hua
- Devonian 1 ngā hua
- Eocene 1 ngā hua
- Holocene 1 ngā hua
- Miocene 1 ngā hua
- Oligocene 1 ngā hua
- approximately 1820-1897 1 ngā hua