Battle of Lexington and Concord, from a Public domain scan of the vintage historic postcard by Picryl. By the rude bridge that arched the flood,     Their flag to April’s breeze unfurled, Here once the embattled farmers stood,     And fired the shot heard round the world. (1) April 19 is the semiquincentennial, the 250th  Anniversary of the Battle of Lexington and Concord, the beginning of the Revolutionary War . From our grade school history classes, most of us remember about Paul Revere and his midnight ride to warn the colonists that the British were coming. It was at Lexington and Concord that the first skirmishes occurred and the "shot heard round the world" was fired. When you think about events that happened during an ancestor's lifetime, do you wonder if your ancestor was present at that event?  I do. This was during my fourth great-grandfather Jonah Stow's lifetime and through my early research of his military records, I knew that he wasn...