Tai Chi Chuan (Wikipedia)
🇬🇧 English · PDF Document
Saved Wikipedia article · dates fast
What's in it
A saved copy of the Wikipedia article. It dates quickly and the lineage sections are contested by editors, as encyclopedia entries on Tai Chi always are.
Reasonable as a starting point for the history before you read an account written by someone with a school to promote. The technical description is more reliable than the history.