Subwiki:History of subject wikis

Events
This page describes important historical milestones in the historical development of subject wikis. Due to imperfect records, precise dates are not available, but information is available up to the month.

Usage statistics
These pageview counts are as measured by Google Analytics, and are intended to measure only human pageviews. Counts are rounded off to the nearest multiple of 1000. (Details for other wikis to be filled in).