International Game Master (GM) Day is celebrated on March 4th to honor Game Masters who create and manage tabletop role-playing games. This day acknowledges the effort of GMs, who write quests, design creatures, and ensure that game sessions are enjoyable for all players. Common customs include giving thoughtful gifts such as rulebooks or custom dice, providing snacks or meals during game sessions, and writing sincere notes of appreciation. Players may also take to social media to celebrate their GMs using specific hashtags. Additionally, some players might run a one-shot game to allow their GM to experience being a player for a change. The day serves as a reminder to recognize and appreciate the hard work that goes into facilitating memorable gaming experiences.