1927
1942
1923-1948
1934
1936
1926
1932
1924
1921
1946
1918-1922
1928
1918
1920-1929
1935
1950
1932-1942
1920-1928
2000-100 BCE
before 1928
1922-1923
1925
1933
circa 1920
1940
1951
1920-1925
1948
circa 1930
1929-1935
1938
1945
1920
1947
1930
1935-1945
1946-1950
circa 1950