Guam Liberation Day is observed annually on July 21 to commemorate the island's liberation from Japanese occupation by U.S. forces during World War II. This holiday honors the sacrifices made during the conflict and celebrates the enduring spirit of the Chamorro people. Typical customs include parades, memorial services, and cultural festivities that emphasize remembrance and freedom. Local businesses often participate by hosting special events, offering discounts to service members, and contributing to commemorative activities. Organizations such as the Veterans of Foreign Wars (VFW) and the American Legion may organize fundraising drives or memorial services. Additionally, the Guam Museum and various cultural performances highlight the island's rich heritage during this significant observance.