Justin Bier plays the role of scientist as he "creates" mustard gas during Da Vinci's Night at the World War I Museum. Fred Gladdis/Enterprise photo

From left, Juliette Klassen (a bolshevic), Lucas Debie (Alexi Romanov) and Ali Gifford (Alexandra Romanov) discuss the "news of the day" at Da Vinci's Night at the World War I Museum. Fred Gladdis/Enterprise photo