On June 21, 1878, Edward H. Costley was hanged in the jail yard on West South Street for killing his cousin, Solomon Costley, on April 4, 1877, near Libertytown. On June 21, 1911, Mrs. Effie Marken Motter, wife of Circuit Court Judge John C. Motter, died at 58. On June 21, 1922, W. K. Klingaman was named principal of Frederick High School. The 1922-1923 school year was the first for the combined Boys and Girls High School. The school was located at what we know today as The Elm Street School, which opened in 1912 as Boys High School. This facility was torn down to make way for a parking deck at Frederick Memorial Hospital. On June 21, 1934, President Franklin D. Roosevelt signed legislation creating The Monocacy National Military Park at the site of the Battle of Monocacy. The name was changed in 1976 to Monocacy National Battlefield. On June 21, 1936, world-renowned opera star Lily Pons visited the post office in southern Frederick County that bore her name. (The post office was closed some years later when it was combined with another facility.) On June 21, 1953, former President Harry S Truman and his wife, Bess, stopped at Carroll H. Kehne's Gulf Service Station on the southwest corner of the intersection of West Patrick and South Jefferson streets in Frederick, on their way from Independence, MO, to Washington. 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 Wasps1965@comcast.net <mailto:Wasps1965@comcast.net>