Windsor Treaty
Various treaties went down in history as the Treaty of Windsor .
- Treaty of Windsor (1175) between King Henry II of England and King Roderick O'Connor of Ireland
- Treaty of Windsor (1386) between England and Portugal on an alliance
- Treaty of Windsor (1522) between Henry VIII and Emperor Charles V, containing a promise to marry his only daughter Mary Tudor
- Treaty of Windsor (1899) between Great Britain and Portugal on colonial possession in Africa