1927
1934
1936
1926
1932
1924
1928
1935
2000-100 BCE
before 1928
1925
1933
circa 1930
1929-1935
1938
1930
1925-1928
1930-1931
1925-1935
1923
1925-1927
1927-1929
1938 and 1951
1955; 1830
1937-1938