Discovery Day References Discovery Day Guamanian holiday Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Guam/ Cultural life…significant local dates such as Discovery Day, March 6, which commemorates the arrival of Ferdinand Magellan in 1521. Read More…significant local dates such as Discovery Day, March 6, which commemorates the arrival of Ferdinand Magellan in 1521. Read More