Memorial Day is a U.S. federal holiday set aside to honor and mourn the nation’s fallen military service members. According to multiple outlets, the day is officially tied to remembrance, reflecting a longstanding purpose of recognizing those who died in service.

Over time, however, Memorial Day has also taken on additional meanings in public life. Sources describe it as an informal marker of the start of summer, when many people treat the holiday as the beginning of the warmer-weather season. The observance commonly includes a long weekend effect, encouraging travel and leisure plans.

In addition, the day has become associated with consumer promotions. Coverage notes that retailers often advertise sales and discounts in the lead-up to and during the holiday weekend, including for items ranging from home goods to outdoor equipment. Overall, while the official focus remains remembrance of fallen service members, the holiday’s broader cultural role has expanded to include seasonal and commercial traditions that many Americans follow.