Swiss Halberd Square

Timeline

1. c. 1291–1315Swiss forest cantons · SwitzerlandAfter the Perpetual League of 1291, the Swiss forest cantons organized their infantry through universal militia service; peasant warriors combined halberds, billhooks, and pikes, forming an early dense square warfare tradition in narrow mountain passes and woodlands.
2. 1315Morgarten · SwitzerlandIn the Battle of Morgarten in November 1315, Swiss infantry used the terrain to ambush, charging and routing the knightly force led by Austrian Duke Leopold with a dense halberd square, proving that infantry squares could defeat heavy cavalry and becoming a turning point in the rise of Swiss military power.
3. 1311–1320Northern foothills of the Alps · the AlpsBetween the victory at Morgarten and 1320, the Swiss halberd square tactic spread in standardized form among the cantons; newly joined cantons such as Lucerne adopted similar groupings, square discipline and weapon ratios gradually unified, drawing the attention and imitation of neighboring princes.
4. 1320–1500Switzerland · SwitzerlandAfter 1320, the proportion of pikes in Swiss squares gradually increased, evolving by the 15th century into the classic Swiss pike square with eighteen-foot pikes as its mainstay, which became famous across Europe in battles such as the Burgundian Wars, while the halberd was relegated to auxiliary and close-combat roles.