The San Francisco chapter of the Japanese American Citizens League and National Japanese American Historical Society will be hosting “Treasures Revealed,” a how-to workshop on preserving camp artifacts. Learn how to store and preserve personal letters, treasured items from camp, and photographs. The event will be held at the JACL headquarters, 1765 Sutter St., in SF’s Japantown, from 1 until 3 p.m. Info: sfjacl@yahoo.com or call Greg Marutani at (415) 641-1697.