Chess Archeology - Photos, drawings, and other chess history tidbits.
Chess Tournament and Match History - A timeline of major matches and tournaments in chess history with crosstables and games in pgn format for free download. Lists of world records.
ChessDryad - Topics in the history of California chess, focused on chess personalities.
Chessmetrics - ELO-style ratings for many historical chess grandmasters.
Goddess Chess - Chess history and speculative history, with a focus on the role of women in chess.
History Of Chess - Description, excerpts, and online purchase of chess history books by Victor Keats, with a particular focus on Judaism.
OlimpBase - Provides history, statistics, and games from team tournaments. Includes articles, results, player profiles, a FAQ and a newsletter.
On The Origin Of Chess - A group of articles with a variety of views regarding the origin of chess.
Schachtexte - History and relationship of chess versions, focusing on East Asian ones. In English and German.
Sports Statistics - Sortable win-loss records of chess players throughout history. Non-ELO ratings.
Traditional Games - Description and history of some board games in the chess family.
US Chess History - Articles by the US Chess Hall of Fame about the history of chess in the United States.