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Spanish Infantry Tercio

Type Object Region Spain Time c. 1534–1600

The Spanish tercio was a Habsburg-era infantry formation mixing pikes, arquebuses and some firearms, formed around the 1530s, famed for deep formatio…

Timeline

  1. c. 1534–1550Italian theater (Lombardy) · LombardyIn the Italian Wars Spain mixed pikemen and arquebusiers into tercio units of about three thousand men, emphasizing deep formations and alternating volleys, replacing the earlier purely pike-based squares.
  2. 1556–1580Spanish Netherlands (Flanders) · FlandersThe Spanish Army of Flanders combined the tercio with field fortifications and logistics systems, developing a highly professional mode of infantry warfare during the long wars against the French and the Dutch rebels.
  3. 1590–1600Netherlands theater · NetherlandsIn the 1590s Spanish tercios still possessed strong shock and defensive capability in Dutch sieges and field battles, but against the flexible tactics of the United Provinces and the bastion system, their high cost and mobility disadvantages became increasingly apparent.

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