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An event every year that begins at 00:00 on day 13 of September, repeating indefinitely
When: September 13
Where: Everywhere
First occurrence: 2016
Created by Warner Bros & Hot Topic in 2016
Anniversary of the broadcast of the first episode of Supernatural on September 13, 2005.
#SupernaturalDay
An event every year that begins at 00:00 on day 8 of July, repeating indefinitely
An event every year that begins at 00:00 on day 20 of July, repeating indefinitely
An event every year that begins at 00:00 on of September, repeating indefinitely