Mount And Blade Become A King Mod

TV Christmas Specials Christmas

Marathon Fool's Day Diwali

Dong-zhi

Fête des Fous

Festivus Hanukkah
Hogmanay
Karachun
Krampusnacht

Kwanzaa Matariki
Modranect
Moon Eclipse (cause you saw it, Did not You?)
Panquetzaliztli
Posadas
Rohatsu
Sadeh
Saturnalia
Saint Lucy Day
Sol Invictus
12 Days of Christmas Winter Solstice

Winterval
Yalda
Yule
Zamenhof Day
All of the above!