Smith was Lieutenant Colonel of the
10th Regiment of Foot. He was given overall command of the expedition to
Concord, which consisted of twenty one companies of
Light infantry and
grenadiers totaling around 700 men, whose orders were to search the town for contraband supplies and weapons, particularly
artillery. General
Thomas Gage believed that the mission required a force larger than a
regiment but smaller than a
brigade and so assembled it by taking individual
companies from the various units in
Boston. This left Smith's force lacking a proper command structure or staff. As the crisis in Massachusetts had intensified during late 1774 and early 1775, a number of British expeditions had marched into the countryside to search towns where it was believed weapons and supplies were being stored while other units took part in a series of rapid route marches through the countryside to keep the troops physically active. Several minor confrontations and stand-offs occurred during these months, such as the
Salem Incident, but had ended without bloodshed. Gage anticipated that Smith's march to Concord would be similar to these earlier expeditions and was unlikely to come under attack. The vast majority of the colony's inhabitants considered themselves loyal Britons and apart from a handful of hard-liners on both sides there was a strong desire to avoid the upheaval of
civil war.
Lexington portraying it as a deliberate massacre by British troops. Smith's departure was widely observed by
Boston Whigs, and several messages were slipped out of the city to alarm the countryside. After being alerted to the possibility that there was opposition on the road, Smith ordered some light infantry to move forward while he stayed with the main body of the expedition, thus he was not present at the skirmish in
Lexington. Major
John Pitcairn of the Royal Marines was in charge of the advance guard. Pitcairn's men encountered a company of militiamen under
John Parker on
Lexington Green. Despite orders on both sides not to open fire, shooting broke out and a number of men were killed and wounded. By the time Smith arrived, his troops had scattered to pursue fleeing militiamen and it took some time for him to restore order and reform his companies. Several of his officers suggested that they should now return to Boston, but Smith decided to push on to Concord to complete the mission. He had sent messages back to Gage requesting reinforcements and informing him that the countryside was on alert.
Concord As he marched towards Concord, Smith remained unaware how quickly the militia could assemble. Already within a five-mile radius of his force seventy-five companies of militiamen, many of them
minutemen, were either mustering or marching with many others also on the move from further away. Once Smith reached Concord, he sent various troops to secure strategic points around the town. He also sent a detachment north of the
Concord River to search a farm where weapons were stored, in the process of which further firing broke out at the
Old North Bridge. As his troops finished searching the town, Smith managed to extricate his troops without further fighting and began the march back to Boston.
Withdrawal His men had not gone far when
firing broke out near Meriam's Corner. Smith's troops were now heavily outnumbered by the militia and for the rest of the day this imbalance grew as more and more companies of militia arrived from around the colony while Smith's men suffered from casualties as they were repeatedly ambushed along the road. Smith ordered a very fast pace for his column, reasoning that if the men slowed down they would be overwhelmed and soon run out of ammunition, supplies of which were rapidly running low. Despite his difficulties, Smith was largely able to keep his men in disciplined formations for much of the return to Lexington. More and more of Smith's officers were killed or wounded, hampering his attempts to maintain control, and his men finally lost unit cohesion and hurried onward in a general mass. Not far west of Lexington, Smith was wounded in the thigh in an ambush by Lexington militia, led by
John Parker in what has been called "Parker's Revenge". Smith gave up his horse so that more badly wounded men could use it. His column was extremely hard-pressed and close to total collapse but managed to reach the comparative safety of Lexington where a brigade of British reinforcements under
General Percy had arrived. Percy took command and his reinforcements became the rear guard and the flankers of the expedition while Smith's tired troops became the
advance guard. In
Menotomy, they came under further attack from freshly-arrived militiamen and had to clear several houses in further heavy fighting. It was not until Smith's men reached
Charlestown, that the threat of attack ended. Militia from across
New England had been alerted of the fighting at Lexington and Concord, but poured in too late to take part in the battle. They assembled outside Boston and blockaded the city, severing its land but not its sea connections. Although many were not initially aware of it, the sporadic fighting had triggered the outbreak of the
American War of Independence and the civil war which many on both sides had warned of and tried to avoid. ==Siege of Boston==