The Treaty of York was an agreement signed in 1237 between the Kingdom of England and the Kingdom of Scotland. It aimed to resolve territorial disputes and establish a clear border between the two nations. The treaty confirmed the boundaries set by previous agreements and helped to maintain peace in the region for several years. This treaty was significant as it marked a step towards diplomatic relations between England and Scotland. It also laid the groundwork for future negotiations and treaties, influencing the political landscape of the British Isles. The treaty is often referenced in discussions about the historical relationship between England and Scotland.