gs

§6.1

1804
1815
1848
1851
1859
1861
1862
1870
1870-7-15
jan 1871 - Jan 1871
1877
1914

§6.3

1840
1 January 1850 - 1 January 1860
1869
1870
1876
1880
1 January 1890 - 1 January 1900
1897
1898
1900
1903