The Knights of Columbus, Council 10020 of Windham will be holding a Roast Beef Supper on Saturday, September 10 at Our Lady of Perpetual Help Church Hall, 5-6 p.m. Menu to include roast beef, mashed potatoes, green beans, and rolls. Homemade Desserts. Coffee and punch price is $7 for adults and $3 for children 12 and under.