Editing Lithuanian Armed Forces (section)

==== 15th century ====
Finally, the German Teutonic Order was crushed in the [[Battle of Grunwald]] (1410) (known as Battle of Žalgiris in Lithuanian historiography), which was the largest Middle Age battle in [[Central and Eastern Europe]].<ref name="lt-military-medieval" /> In this key battle, the Lithuanian Army was led by Vytautas the Great.<ref name="lt-military-medieval" /> Under him, the Lithuanian Army attacked the lands of the Republics of [[Pskov Republic|Pskov]], in 1426, and [[Novgorod Republic|Novgorod]], in 1428.<ref name="lt-military-medieval" /> The Grand Duchy of Lithuania had internal civil wars in the first half of the 15th century.<ref name="lt-military-medieval" /> The Lithuania Army engaged in [[biological warfare]] already in 1422, when it catapulted manure made from infected victims into an opposing [[Bohemia]]n town as part of the [[Hussite Wars]].<ref>{{Cite book |last1=Flora |first1=S. J. S. |url=https://books.google.com/books?id=r0K0DwAAQBAJ |title=Handbook on Biological Warfare Preparedness |last2=Pachauri |first2=Vidhu |date=2019-10-05 |publisher=Academic Press |isbn=978-0-12-812055-2 |pages=5 |language=en}}</ref> In 1435, [[Sigismund Kęstutaitis]]' army defeated the opposing army, which included troops of the [[Livonian Order]], led by [[Švitrigaila]] in the [[Battle of Wiłkomierz]].<ref name="lt-military-medieval" />