Era
prev ...
1817
10
1818
22
1819
18
1820
17
1821
21
1822
10
1823
18
1824
9
1825
9
1826
10
1827
9
1828
8
1829
5
1830
7
1831
6
1832
6
1833
6
1834
2
1835
7
1836
5
1837
6
1838
7
1839
3
1840
1
1841
4
1843
2
1844
4
1845
4
1846
10
1847
6
1848
5
1849
7
1849-1861
2
1850
5
1851
4
1852
3
1853
4
1853-1854
2
1854
6
1855
2
1856
2
1857
2
1861
2
1865-
1
1868
1
1868-after 1940
1
1876
2
1877
2
1889
1
1892
1
more ...