Battle of Bosco Marengo

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Battle of Bosco Marengo
Part of the Golden Ambrosian Republic
Bartolomeo Colleoni, victor of Bosco Marengo [1]
DateOctober 11, 1447[5]
LocationBosco Marengo, Piedmont
Result Ambrosian victory[1][6][2]
GoldenAmbrosianRepublic.png Ambrosian Republic
Blason Charles II d’Angoulême (1522-1545).svg Duke of Orleans
Commanders and leaders
Bartolomeo Colleoni
Astore de' Manfredi
Renaud du Dresnay (POW)
3,700 troops[7] 3,000 troops[4][10]
Casualties and losses
500 killed[3][7][11] 1,500 killed[3][9][11]
only half could retreat back to France [10]
300 captured[3][11]

The Battle of Bosco Marengo (aka Battle of Frascata) [6] was fought in the Autumn of 1447.

The Duke of Orleans, Charles I, son of Valentina Visconti, laid claim to the Duchy of Milan[3] and dispatched an army from the Dauphiné and Lyonais under Renaud du Dresnay into Lombardy.[4] The Golden Ambrosian Republic responded and dispatched a total of 3,700 troops under Colleoni to Alessandria.[7] At Bosco Marengo, battle was joined and the French suffered a complete defeat[12] with their general Renaud du Dresnay being captured and later ransomed for14,000 couronnes.[13]


  1. ^ a b c d e Beck, Jakob Christoph (1742). Neu-vermehrtes Historisch- und Geographisches Allgemeines Lexicon. Basel. 
  2. ^ a b c Samaran, Charles (1919). Dépêches des ambassadeurs milanais en France sous Louis XI et François Sforza: Vol.2. Paris. 
  3. ^ a b c d e f Rogers, Clifford (2010). The Oxford Encyclopedia of Medieval Warfare and Military Technology: Vol.1. Oxford University Press. 
  4. ^ a b c d e Ersch, Johann Samuel (1834). Allgemeine Encyklopädie der Wissenschaften und Künste. Leipzig. 
  5. ^ Simonde de Sismondi, Jean-Charles-Léonard (1831). Histoire des Français: Vol.13. Paris. 
  6. ^ a b c Moreri, Louis (1759). Le grand dictionnaire historique, ou Le mélange curieux de l'histoire sacrée et profane: Vol.3. Paris. 
  7. ^ a b c d Corio, Bernardino (1646). L'historia di Milano. Padua. 
  8. ^ Leo, Heinrich (1829). Geschichte von Italien: Vol.III. Hamburg. 
  9. ^ a b Protonotari, Francisco (1923). Nuova antologia: Vol.308-309. Rome. 
  10. ^ a b Société d'histoire générale et d'histoire diplomatique (1888). Revue d'histoire diplomatique: Vol.2. Paris. 
  11. ^ a b c Pieri, Piero (1971). Il Rinascimento e la crisi militare italiana. Turin. 
  12. ^ Kaiserliche Akademie der Wissenschaften in Wien (1856). Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften: Vol.20. Vienna. 
  13. ^ Courcelles, Jean B. (1829). Histoire généalogique et héraldique des pairs de France: Vol.10. Paris.