That was the battle cry of the thousands of Christians who joined crusades to free the Holy Land from the Muslims.
From 1096 to 1270 there were eight major crusades and two children's crusades, both in the year 1212.
Depictions of the Crusades usually entail throngs of pillaging troops sacking cities and running amok.
Inventions and new products included silk, gunpowder, the compass, the astrolabe and a host of nautical inventions. The inventions of the times reflected the growing scientific and technical advances of the era.
The life of Lords and Nobles centred around their castles or Manors or fighting for their liege lord or King during times of war.