Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits. Anti-spam check. Do not fill this in!Below is a list of Archaic/Obsolete calendars that were used in ancient societies, but are no longer in use today: <categorytree mode="pages" hideroot=on>Obsolete calendars</categorytree> [[Category:calendar lists]] Summary: Please note that all contributions to the Calendar Wiki are considered to be released under the CC-BY-SA Cancel Editing help (opens in new window) Retrieved from "https://calendars.wikia.org/wiki/Historical_calendars_no_longer_in_use"