Era
20th century
5
21st century
3
18th century
2
1991-2003
2
19th century
2
2001-2009
2
Quaternary
2
16th century
1
1710-1782
1
1732-1809
1
1750-1831
1
1775-1865
1
1782-1862
1
1785-1873
1
1789-1797
1
1799-1873
1
17th century
1
1806-1869
1
1809-1865
1
1814-1862
1
1838-1876
1
1848
1
1852-1931
1
1860-1930
1
1860-1936
1
1861-1865
1
1887-1951
1
1900-
1
1937-2006
1
1957-2011
1
1979-1991
1
1990-
1
2003-
1
Cretaceous
1
To 1500
1
To 1900
1
War of 1812
1