1738: Conojocular War ends

(Wikipedia) Cresap's War (also known as the Conojocular War — from the Conejohela Valley where it was located (mainly) along the south bank was a border conflict between Pennsylvania and Maryland, fought in the 1730s. Hostilities erupted in 1730 with a series of violent incidents prompted by disputes over property rights and law enforcement, and escalated through the first half of the decade, culminating in the deployment of military forces by Maryland in 1736 and by Pennsylvania in 1737. The armed phase of the conflict ended in May 1738 with the intervention of King George II, who compelled the negotiation of a cease-fire. A final settlement was not achieved until 1767 when the Mason-Dixon Line was recognized as the permanent boundary between the two colonies. Continued