History of Special Education

Events

1852
1867
1893
1910
1911
1917
1918
1919
1920
1930
1933
1934
1937
1954
1958
1965
1969
1970
1972
1972
1973
1974
1975
1986
1986
1990
1990
1997
2002
2002
2004
2020