Goku Day (Japan), commemorating the fictional characterGoku.

Goku Day is a playful celebration of the iconic Dragon Ball hero Goku, observed every May 9 in Japan.
The date 5-9 reads as 'go-ku' in Japanese, creating a pun that fans embraced to honor the beloved character. On this day, fans gather for cosplay events, fan art exhibitions, and themed parties both in Japan and online. Franchise partners often release limited-edition merchandise and share special content to commemorate Goku's enduring legacy. Goku Day highlights the adventurous spirit, strength, and kindness that have made the character a cultural icon worldwide.
Japan Goku