View source for Callistover

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{{Infobox holiday
|holiday_name  = Callistover
|type          = Callistostarian, Sapphire
|image         = Happening.png
|imagesize     =
|caption       = A Day of Happening, which is a Callistover where [[Callisto]] encounters Sapphire.
|official_name = Callistover, A Day of Happening (only certain Callistovers)
|nickname      =
|observedby    = [[Callistostarians]] and members of Sapphire
|litcolor      =
|longtype      =
|significance  = Celebrates the arrival of Callisto.
|begins        = 
|ends          = 
|date          = 20 April
|scheduling    = Usually the same very year; occasionally a Callistover becomes a Day of Happening when Callisto visits.<!-- e.g. "same day each year" -->
|duration      = 1 day <!-- e.g. "1 day", "1 week" -->
|frequency     = Annual<!-- e.g. "annual", "every 4 years", "once" -->
<!-- Use next three if holiday is the same day of the same week every year -->
|week_ordinal  = <!-- "first", "second", "last", etc. -->
|weekday       = <!-- "Sunday", "Monday", "Friday", etc. -->
|month         = <!-- "January", "February", "December", etc. -->
<!-- Use next three if the date changes in an unusual pattern each year -->
|date2012      = <!-- only for days that change each year -->
|date2013      = <!-- only for days that change each year -->
|date2014      = <!-- only for days that change each year -->
|date2015      = <!-- only for days that change each year -->
|celebrations  = The arrival of Callisto (on a normal Callistover), Q&A with Callisto (only on a Day of Happening)
|observances   = 
|relatedto     =
}}

The '''Callistover''', also known as '''4/20''' to some, is the day of celebration of the arrival of [[Callisto]] and the annexation of [[Sapphire's TeamSpeak3]], converting it to the '''People's Republic of Callisto'''. Whenever Callisto is present on the Callistover, it becomes a '''Day of Happening''', where usually a Q&A session is held with Callisto. The very first Callistover on April 20th of 2013 was a Day of Happening and the dialogue is recorded in the [[Callisto Dialogues]].