Yosemite Chamber of Commerce mixer, 5:30 p.m., Iron Door Saloon, 962-0429, www.groveland.org.
Tuolumne County Citizens for Peace, 6 p.m., Peace Vigil, Courthouse Square, Sonora, 533-3516.
Willow Springs Homeowners Association, 6:30 p.m., Willow Springs Clubhouse, 20522 Willow Springs Drive.
People for Healthy Forests, 7 p.m., Tuolumne Utilities District building, 18885 Nugget Blvd., off Tuolumne Road.
Story Time, 10:30 a.m., Starbucks, 133 Old Wards Ferry Road, Sonora, 536-1779.
Preschool Story Hour, "Stories with Grandma," 11 a.m., Tuolumne branch library, 18636 Main St., Tuolumne, 928-3612.
Twain Harte Village Certified Farmers Market, 4 to 6 p.m., Eproson Park, Twain Harte, 586-3636, 586-4482.
Twain Harte Community Services District Board of Directors, special meeting, 7 p.m., Twain Harte American Legion Community Center, 18815 Manzanita Drive, Twain Harte,
Movies in the Pines, "The Great Outdoors," sponsored by the Twain Harte Area Chamber of Commerce, dusk, Eproson Park, Twain Harte, 586-4482.
Calaveras County Historical Society, 6 p.m., call for meeting location, 754-1058.
Blue Mountain Community Renewal Council, 6:30 p.m., Veterans Memorial Building, West Point, 293-7160.
Calaveras County Fire Districts Association, 6:30 p.m., supervisors' chambers, Government Center, 891 Mountain Ranch Road, San Andreas, 754-6639.
"Fresh Friday" farmers market, 5 p.m. to dusk, Utica Park, Angels Camp, 736-1333. Presented by Angels Camp Business Association.