BTW, will you add the age classes, too?

* Ancestor - 31. December 1904
* Veteran - 31. December 1918
* Vintage - 31. December 1930
* Post Vintage - 31. December 1945
* Post War - 31. December 1960
* 60s - 31. December 1970
* 70s - 31. December 1980
* 80s - 31. December 1990
* 90s - 31. December 2000
* Modern - everything since

Discussed here:
http://imcdb.org/movie_62803-Chitty-Chitty-Bang-Bang.html