On December 24, 1821, Dr. John Baltzell, age 47, married Ruth Ridgley, of Baltimore, age 22. Dr. Baltzell's home on East Church Street in Frederick, is now the home for The Historical Society of Frederick County. On December 24, 1963, two houses of East Fifth Street in Frederick collapsed after a natural gas explosion. Two were killed. 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)