TUESDAY
• 82nd Airborne Association: Collegedale City Hall pavilion beside Imagination Station playground, 4910 Swinyar Drive off Apison Pike, Collegedale, 6 p.m., Alvin C. York chapter holds annual summer picnic, all airborne paratroopers and their families invited. 423-432-2715.
• Chattanooga Herbies: UT Extension Center, Hamilton County Master Gardeners Room, 6183 Adamson Circle off Bonny Oaks Drive, 6:30 p.m., visitors welcome, dill is featured herb. 423-875-9689.
THURSDAY
• Chattanooga Stamp Club: Hickory Valley Christian Church, 6605 Shallowford Road, 6:30 p.m. doors open, APS sales books available to select stamps for purchase; 7:30 program by Dan Chaij on "A Philatelic Alphabet," visitors welcome. 325-280-5549.