It was originally established as the AEW All-Atlantic Championship and was created to be a secondary title for the men's division.

[1] The inaugural champion was crowned in a four-way match which was held at the Forbidden Door pay-per-view event on June 26, which was co-produced with the Japanese promotion New Japan Pro-Wrestling (NJPW).

[2][3] On the AEW side, Pac,[4] Miro,[5] and Malakai Black[6] won their qualifiers; on the NJPW side, Tomohiro Ishii qualified but suffered a legitimate left knee injury and had to be replaced with the runner-up, Clark Connors.

[8] In an interview with Robbie Fox on the My Mom's Basement podcast, AEW president Tony Khan confirmed that the championship would be defended differently than the company's other titles.

This interview came shortly after Pac defended the title at an event for Britain's Revolution Pro Wrestling (RevPro), which was later shown on AEW's YouTube show, Dark, on July 12.

[10] Since then, the title has been defended in NJPW,[11] Mexico's Consejo Mundial de Lucha Libre (CMLL),[12] and Canada's Maple Leaf Pro Wrestling (MLP).

[13] On the March 8, 2023, episode of Dynamite, Tony Khan announced that Orange Cassidy's defense of the title that night was the final as the AEW All-Atlantic Championship.

Originally, the banner above the globe read "All-Atlantic", but this was changed to "International" with the championship's rebranding on March 15, 2023.

[21] During Dynamite: Blood & Guts on July 24, 2024, reigning champion MJF threw away the standard version of the championship belt.

The grappling wrestlers on the outer side plates were also replaced by MJF himself posing, showing him kneeling on one knee and flexing his bicep.

He defeated previous champion Will Ospreay and Ricochet in a three-way match at WrestleDream on October 12, 2024, in Tacoma, Washington.