Template:April 21


 * 2002: Episode 108 "The Fearsome Bananawani and Mr. Prince" premiered.
 * 2003: Chapter 273 "Quintet" was released in Shonen Jump issue #21.
 * 2008: Chapter 497 "Adventure on the Archipelago of Dancing Soap Bubbles" was released in Shonen Jump issue #21.
 * 2013: Episode 592 "Gang Obliteration! The Legendary Hitmen Attack!" premiered.
 * 2016: One Piece: Burning Blood was released for PC, PlayStation 4 PlayStation Vita, and Xbox One.
 * 2018: The featurette The Great Treasure of Tongari Island premiered.
 * 2019: Episode 881 "Going into Action - The Implacable New Fleet Admiral Sakazuki" premiered.