The conflict involved in the signing of the Treaty of Paris in 1783 was the American Revolutionary War. This treaty formally ended the war between Great Britain and the thirteen American colonies, which had declared their independence in 1776. The treaty recognized the sovereignty of the United States and established borders for the new nation. It was signed on September 3, 1783, and marked a significant turning point in world history, as it not only ended British rule over the colonies but also inspired other nations to pursue independence and self-determination.