A number of immigrant groups have shaped and reshaped our culture and our food since the signing of the Declaration of Independence. This holiday weekend, we suggest a collection of meals and parties as diverse as our history. Chautauqua Dining Hall Turns 110 with outdoor grilling, field-day games, and a keg of 110 Ale. Thu 3-7 p.m., 900 Baseline Road, 303-440-3776 Aix Restaurant throws a French-themed Pique-Nique. On the menu are spicy grilled chicken, French coleslaw, and watermelon with honey-lime syrup. Fri 3-9 p.m., 719 E. 17th Ave., 303-831-1296 Tambien's Mexican Art Festival offers a cool and colorful respite from the Cherry Creek Arts Festival. Order a margarita and check out paintings, sculpture, metal art, and more. Fri-Sun 11 a.m.-1 a.m., 250 Steele St., 303-333-8282