What Year Is It (15)?

Clues:

Eggs cost 32 cents/per dozen; Hermann Hesse dies; Brazil wins World Cup; Jamaica gains independence from Great Britain; Tommy Roe’s “Sheila” charts at #22 for the year; Joan Cusack is born; the first Wal-Mart opens; Wilt Chamberlain scores 100 points in a single basketball game; the Mona Lisa is exhibited for the first time in the U.S.; and The Beatles are turned down by Decca Records.