On June 20, 1863, there was heavy fighting around Frederick and Middletown as Lee's Confederate Army moved north. On June 20, 1870, George Henry Riggs, who would become a psychiatrist and who would operate a hospital for the mentally ill in Ijamsville, was born. He died March 10, 1957, at the Glenmerrie Nursing Home in Lander. On June 20, 1909, the Woodsboro Church of God was formed following a revival meeting. It was disbanded in 1944. On June 20, 1973, President Richard M. Nixon and Soviet Premier Leonid I. Brezhnev reached agreement on a treaty banning offensive nuclear weapons after several days of talks at Camp David near Thurmont. On June 20, 1980, Judge William W. Wenner, of the Frederick County District Court, was sworn is as a Circuit Court judge, replacing Judge Robert E. Clapp, Jr., who retired. If anyone can add information to these History Moments, or would like to suggest an item for another calendar day, please contact me privately. John W. Ashbury (wasps65@earthlink.net)