1840-1847
1857 (doubtful)
1864
1875
1883
1887
1890-91
1893-1909
1893-99
1898
1898-1915
1900-1901
1904
1912-13
1912-14
1912-15
1913
1914-45
1917-20
1920
1924
1926 or 1941
1927
1928
1930
1931
1932
1934
1935
1937
1941
1947
1949
1949-53
1950-80
1951
1953-60
1954
1955
1957
1959
1960
1961
1962
1964
1965
1965-72
1965-82
1966
1967
1967-68
1968
1969
1969-76
1971
1971 (doubtful)
1972
1973
1974
1974-75
1975
1976
1977
1978
1979, 1990-91
1980
1980-89
1981
1982
1983
1983-84
1984
1984-85
1984-89
1984-92
1985
1986
1987
1988
1989-90
1989-92
1990
1991
1992
1992-93
1993
1995
1995-97
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2005 (doubtful)
2005-08
2006
2007
2008
2009
2010
2012
2013
around 1900
before 1900
before 1914
before 1922
early 1920s
early 20th century
not known
