WLSC Congratulations 1

WLSC Congratulations 1 was the 1st edition of the special Congratulations spinoff, in which nations that had participated in any edition of the previous decade (this time spanning from WLSC 1 to WLSC 20 inclusive) are welcomed to send their favourite entry from that decade to compete together. This edition of the spinoff series was hosted by Moisantia.