On this date, 241 years ago, the first salvo of what would become the American Revolutionary War, was fired on Lexington Green and North Bridge in Concord.

Historian John Galvin once wrote about the Battles of Lexington and Concord that they were the “least known of all American battles.” I never really understood what Galvin meant, as I had read extensively about April 19, 1775 and thought I understood the details of that day in history.

Yet, until this past weekend, when I spent the better part of four days touring the sites and walking the trails, talking to the historians around the towns, I did not realize how much more there is to what actually happened on that April day.

For starters, did you realize that Paul Revere did not go town-to-town calling out, “The British are Coming” to homesteads and roadside taverns? Instead, he was the catalyst that started a chain reaction of messengers and runners to different towns throughout the countryside that cast the alarm in a wide net.

He also would have told farmsteads and meetinghouses along the way that the “Regulars are Coming,” since the colonists still thought of themselves as British.

Or that the unofficial birth of the United States Army is attributed to the militia that followed Colonel James Barrett and Colonel John Buttrick down the hill toward the British at the North Bridge?

That was the first time that men, formed in regiments with officers, made an advance against what they perceived as an enemy force, and did so in a “very military manner.”

What prompted the various militia companies, which came from other towns than just Concord, to sally forth from the hill toward the now infamous North Bridge? The main reason was what was happening in Concord was the mistaken reason behind the smoke emanating from the town?

In the town, the British were burning military supplies and the wooden gun carriages found in the hamlet. Sparks landed one of the nearby dwellings and British soldiers actually put down their muskets to form a bucket brigade, with civilians, to help put out the flames. The smoke that billowed from the doused fires is what prompted the militia and minutemen response.

With water being dumped on the flames, smoke billowed up, which prompted milita Adjutant Joseph Hosmer to ask the officers; “Will you let them burn the town down?” That prompted the forward movement of the militia down the hill and against the British.

Or did you realize that some of the militia, from the nearby town of Acton, suffered some of the first casualties at North Bridge, including their militia captain, Isaac Davis, who was one of the first killed in the engagement?

Somewhere in the midst of the action in Concord was Reverend William Emerson, the grandfather of Ralph Waldo Emerson who would later write that the action on April 19, would be known as the “shot heard round the world” years later.

These are just a few of the interesting tidbits that I picked up this past weekend. Altogether, they reinforce the historic events that I knew unfolded on this day in American History. However, along with reflecting on what transpired in my visit to Massachusetts, these new tidbits of valuable information underscore the important stories and accounts that shape this spring day that are beckoning to be told.

There is so much to be gained by walking the grounds, talking to the historians and historical enthusiasts of the area, and just taking time to appreciate what this day, April 19th, meant to the future of the United States and the era it was leaving behind as part of the British Empire.