a) Battle of Grunwald
b) Battle of Tannenberg
c) Battle of Lake Peipus
d) Battle of Vistula Lagoon
Answer: a) Battle of Grunwald
a) Battle of Grunwald
b) Battle of Tannenberg
c) Battle of Lake Peipus
d) Battle of Vistula Lagoon
Answer: a) Battle of Grunwald