Major Milestones:

Yearwise

1940 1950 1960 1970 1980 1990 2000 1941 1951 1961 1971 1981 1991 2001 1942 1952 1962 1972 1982 1992 2002 1943 1953 1963 1973 1983 1993 2003 1944 1954 1964 1974 1984 1994 2004 1945 1955 1965 1975 1985 1995 2005 1946 1956 1966 1976 1986 1996 2006 1947 1957 1967 1977 1987 1997 2007 1948 1958 1968 1978 1988 1998 2008 1949 1959 1969 1979 1989 1999 2009