The Battle of Tampere was a 1918 Finnish Civil War battle, fought in Tampere, Finland from 15 March to 6 April between the Whites and the Reds. It is the most famous and the heaviest of all the Finnish Civil War battles. Today it is particularly remembered for its bloody aftermath as the Whites executed hundreds of capitulated Reds and took 11,000 prisoners who ended up in the Kalevankangas camp.