Yes, the movie "November Christmas" is based on a true story. The movie tells the story of a small town in New York that is faced with the difficult decision of whether or not to hold their annual Christmas parade in the face of a sudden outbreak of a deadly virus. The town's mayor, who is a doctor, must balance the health of the residents with their desire to continue the holiday tradition. The story is inspired by the real-life town of Katonah, New York, which faced a similar situation in 2009.