The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110106175732/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/query
Query is the term used when an object requests some information from within a database and subsequently a database of the requested information is created.