Unit 7

Events

1872
1873
1889
Approx. 1890
1901
1902
1904
1905
1906
1906
1907 - 1909
1909
1909 - 1913
1909 - 1913
1909
1911
1912
1912
1913
1913 - 1921
1913
1914
1914
1914
1914
1914
1916 - 1970
1916
1917 - 1920
1917
1917
1917
1917
1917
1917
1918
1918
1918
1918
1919
1919
Approx. 1919
1920
1929
1929 - 1939
1930
1931
1932 - 1957
1932
1933 - 1945
1934
1935 - 1939
1936 - 1939