 I'm now for your almanac, a service of Washington vascular specialists and John Ashbury's book and all our yesterday's history of Frederick County. And that's where we start on this date in history. Roger Nelson, who was born near Point of Rocks and severely wounded at the Battle of Camden, was commissioned as a lieutenant of the Continental Army in 1780. He was also the father of John Nelson, who was the attorney general of the United States under the Tyler administration.