SO01

Events

1 January 1940 - 1 January 1950
1 January 1960 - 1 January 1965
1 January 1964 - 1 January 1970
1 January 1970 - 1 January 1980
1 January 1990 - 1 January 2000
1 January 2000 - 1 January 2010