European Crossbow

Timeline

1. c. 1100–1200Mediterranean trade ports · ProvenceThe crossbow reached southern Europe through Byzantine and Arab technical influence; Italian city-states and Spanish Christian kingdoms were the first to form crossbow units for coastal defense and city fighting.
2. 1231–1240Western European battlefields · Western EuropeIn the 1230s, Western European armies commonly fielded crossbowmen equipped with windage deflectors and steel bows, shooting defenders from castle walls in sieges and indirectly suppressing knightly charges in open battle.
3. 1139–1300Rome · LazioThe papacy condemned the crossbow's use against Christians as unchivalrous, but its military utility led states to continue equipping it, and the bans were in practice only limitedly enforced.
4. c. 1400–1500Western European battlefields · Western EuropeAfter firearms improved in range and lethality in the 15th century, the crossbow declined in status on main battlefields, though it remained in use for hunting and as an auxiliary in city defense.