KBB History Only Happens Once was a wrestling event promoted by WrestleCon. It took place on April 4, 2019 at the La Boom in New York City, New York. It was broadcast on WWNLive.com.
Results[]
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Silver Potato defeats 13
- Dusto Bunny defeats Gomi-Man by DQ
- American Beetle defeats Hell Monkey by DQ
- American Beetle & Sun Buster defeat Hell Buster & The Grudyin
- Burger Bear defeats Tucor
- Los Plantanos (Paco Plantain & Pedro Plantain) defeat The Sea World Order (DW Cycloptopuss III & Sku'illra) (c) to win the Kaiju Double Danger Tandem Championship
- Power Ranjuru defeats Eberus (c) to retain the Kaiju Grand Championship
