Tuolumne County Historical Society Board of Directors, 4 p.m., county museum, Bradford Avenue and Lower Sunset Drive, Sonora.
Tuolumne Village Market, 4 p.m. to dusk, Tuolumne Memorial Park, Tuolumne, 928-4351.
Friends of Columbia State Historic Park, 4:30 p.m., Eagle Cotage, Columbia State Historic Park, 533-1852.
Mi-Wuk-Sugar Pine Volunteer Fire Department Auxiliary potluck dinner, 6 p.m., fire station, 24247 Highway 108, Sugar Pine.
Jamestown School District Board of Trustees, 6 p.m., Jamestown School District office, 18299 Fifth Ave., Jamestown, 984-4058.
Mother Lode Christian School Elementary graduation, 6 p.m., Mother Lode Christian School, Rex Heath Gymnasium, 18393 Gardner Ave., Tuolumne.
Grandparent support group (for grandparents raising grandchildren), 6:30 to 8 p.m., Kiddie Kollege, 95 N. Forest Road, Sonora, 588-0298.
Sonora Elementary graduation, 6:30 p.m., Sonora High gym, 430 N. Washington St., Sonora.
Mother Lode Adventist Junior Academy graduation, 7 p.m., Sonora Seventh-day Adventist Church, 40 N. Forest Road, Sonora.
Tuolumne County Planning Commission, 7 p.m., Tuolumne County Administration Building, 2 S. Green St., Sonora, 533-5633.
Tuolumne County Veterans Committee, 7 p.m., Veterans Memorial Hall, 9 N. Washington St., Sonora.
Mother Lode Christian School High School graduation, 7:30 p.m., Mother Lode Christian School, Rex Heath Gymnasium, 18393 Gardner Ave., Tuolumne.
Tuolumne County Mounted Search and Rescue, 8 p.m., Tuolumne County Sheriff's Office, 28 Lower Sunset Drive, Sonora.
Tuolumne Hose Co. No. 1, 8 p.m., Tuolumne Firehouse, Main Street, Tuolumne.
Sierra Club day hike, meet 9 a.m., Mary Laveroni Community Park, Highway 120, Groveland, 962-7585.
Area 12 Agency on Aging, 10 a.m., agency office, 13975 Mono Way, Suite E, East Sonora, 532-6272.
Story Time for toddlers and preschoolers, 10:15 a.m. and 11:15 a.m., Tuolumne County Library, 480 Greenley Road, Sonora, 533-5507.
Curtis Creek School, 7 p.m., lower field, school, 18755 Standard Road, Standard.
Grassroots Tuolumne County, 7 p.m., Jamestown Community Hall, Main Street, 532-6378, 532-4850.
National Alliance for the Mentally Ill, NAMI of Tuolumne County, 7 p.m., St. James' Episcopal Church (The Red Church), 42 Snell St., Sonora, 532-7644.
Tuolumne County Citizens for Peace, 6 p.m., Peace Vigil, Courthouse Square, Sonora; 7 p.m., meeting, Aronos Clubhouse, Elkin and Stewart streets, Sonora, 533-3516.
Tuolumne County Republican Central Committee, 7 p.m., Tuolumne County Administration Building, 2 S. Green St., Sonora, 533-5633.
Tuolumne County Youth Soccer, 7 p.m., Sierra Pacific Industries conference room, Standard Road, Standard, 532-5425.
Twain Harte Middle School, 7 p.m., school gym, 18815 Manzanita Drive, Twain Harte.
Operation MOM-Military Family Support Group, 7 to 9 p.m., 20800 West Willow Springs Drive, Soulsbyville, 532-8051, (510) 329-9397.
New Connections program, 6:30 to 8 p.m., High Five School Readiness Center, Jenny Lind Elementary School, 5100 Driver Road, Valley Springs, 772-0840.
Calaveras High School graduation, 7:30 p.m., school football field, 350 High School Road, San Andreas.
Calaveras County Senior Network, 8:30 a.m., Foothill Village Retirement Community, 1400 Foothill Village Drive, Angels Camp, 728-0602.
Murphys Business Association, 8:30 a.m., call for location, 728-9325.
Calaveras County Planning Commission, 9 a.m., supervisors chambers, Government Center, 891 Mountain Ranch Road, San Andreas, 754-6370.
Angels Camp Landscape and Lighting District ad-hoc committee, 9 a.m., City Hall, 584 S. Main St., Angels Camp, 736-2181.
National Active and Retired Federal Employees Association, noon, Black Bart Inn, 55 W. St. Charles St., San Andreas, 772-1854.
National Active and Retired Federal Employees Association, Calaveras Chapter No. 1938, luncheon, noon, Camps Restaurant, Greenhorn Creek, Angels Camp, 728-8433.
Wallace/Burson Business Association, 7 p.m., Rossetti's, 7670 Highway 12, Wallace, 763-5037, 763-5130.