Grand Illumination Williamsburg 2025 Dates Calendar. In the 18th century, illuminations — the firing of guns and lighting of fireworks — celebrated major events such as the birthday of a reigning. Kick off the christmas season with colonial williamsburg's spectacular fireworks display at the grand illumination each of the first three saturdays in december.

Tens of thousands travel each year to enjoy the sights and sounds of our most festive “grand illumination”. Grand illumination at colonial williamsburg is the quintessential holiday event not to miss, and you have three weekends to experience the events (fireworks are on saturday nights):