The Laurel Historical Society and Laurel Museum celebrates 1910 - when witnesses reported seeing Halley's Comet - at its annual gala, 6:30 p.m. to 10:30 p.m. Saturday in the Carriage Room at Laurel Park racetrack. Tickets are $85 per person, $75 for members. Event includes dinner, dessert, coffee, dancing and a silent auction. For directions and more information, call 301-725-7975.