The page history contains a list of the page's previous revisions, including the date and time (in UTC) of each edit, the username or IP address of the user who made it, and their edit summary. For example, the page history for this help page shows that it was first created on September 20, 2004, and that it has been changed more than 500 times during the last ten years.
On a history page:
Below is a detailed example of a page history using the default skin:
Edits are shown from newest to oldest. Each edit takes up one line which shows; time & date, the contributor's username or IP address and the edit summary, as well as other diagnostic information. Let's look at some of the functions of this page: