Memorial Day is a federal holiday in the United States, held on the last Monday of May each year to commemorate and commemorate fallen soldiers. Originally called "Decoration Day," it began in 1868 to commemorate those who died in the Civil War, but today it is a day to honor soldiers who have died in all wars since World War I. On this day, many Americans visit national cemeteries and war memorials to lay flowers and American flags, and a minute of silence is observed nationwide at 3 p.m. It is also a day to enjoy barbecues and picnics with family and friends, and to mark the beginning of summer. In addition, the Memorial Day weekend is a long holiday, and many people travel and enjoy leisure activities, so consumer activity is also active, making it an important period for sales in the United States. It is an important American holiday that combines a solemn meaning of respecting the war dead with lively events celebrating the arrival of summer.