http://thecorner.org/history.htm

Update: on the waybackmachine:

https://web.archive.org/web/20080303020012/http://thecorner.org/history.htm

Informative articles about History from 1789 – 1960

Update: quite a lot on 19th and 20th century Chinese History too. The sections on ICT and History education and History resources are out of date.

The site went offline sometime in 2015.