The King of Bohemia, who was slain at the battle of Crecy in the year 1346, wore this crest and motto.
1346年,波西米亚国王命丧克雷西战役战场,他当时带着王冠和这句格言。
英语百科
Battle of Crécy
The Battle of Crécy (1346), also called Battle of Cressy, was an important English victory during the Edwardian phase of the Hundred Years' War. Coupled with the later battles of Poitiers (also fought during the Edwardian phase) and Agincourt, it was the first of three major English successes during the conflict.