牛津,剑桥,哈佛分别创办于何时?

牛津的There is no clear date of foundation, but teaching existed at Oxford in
some form in 1096 and developed rapidly from 1167, when Henry II banned
English students from attending the University of Paris.

剑桥-1209哈佛-established 1636
我去了他們的官方網站查看了，沒有寫正確的月份和日期