Heraldry

Timeline

1. c. 1120–1140Levant battlefields · IsraelAfter the introduction of fully enclosed helmets concealing the face in the early 12th century, knights adopted geometric and animal patterns on shields and surcoats for recognition by allies; the Crusades brought this practice into the high-frequency combat environment of Outremer, and by about 1140 shield devices already had heritable and registrable characteristics, laying the foundation of heraldry.
2. 1141–1150Jerusalem and European commanderies · JerusalemBetween 1141 and 1150, the Knights Templar adopted a red cross on white and the Knights Hospitaller a white cross (later evolving into the eight-pointed cross); these order devices were used uniformly on surcoats and banners, transcending individual family shields to become organizational identifiers—a key stage in heraldry's expansion from personal to institutional identification.
3. c. 1150–1250England and France · EnglandAfter 1150 heraldry expanded from battlefield identification to seals, architecture, and ecclesiastical donations, and the English and French courts began systematically recording shield combinations and rules of inheritance; crusader heraldry (such as the Jerusalem cross) flowed back to western Europe, combining with feudal inheritance law to lay practical foundations for 13th-century rolls of arms and heraldic law.