Upcoming Calendar Days Veterans Day (U.S.)—November 11 Marking the World World I cease-fire in 1918, this federal holiday now honors and celebrates all veterans who have served during peace or wartime. See more about Veterans Day. Remembrance Day (Canada)— November 11 This day honors veterans who have died in service to their country. Indian Summer—November 11 St. Martin's Day, November 11, is considered the beginning of Indian summer, an occasional period of warm weather following a cold spell or hard frost. Read more about Indian summer: What, Why, and When.