Battle of Wallhof

Battle of Wallhof (Valles kauja, also known as Battle of Walmozja) was a battle fought between Sweden and the Polish-Lithuanian Commonwealth on 7 January 1626, in which a Swedish force of 3,100 men (2,100 of them cavalry) with 6 guns under Gustavus II Adolphus ambushed and took by surprise a Polish-Lithuanian force of 2,000 men with 3 guns under Jan Stanisław Sapieha, Polish-Lithuanian casualties amounted to between 500 and 1,500 dead, wounded or captured and their commander collapsed from a mental illness after this defeat. Swedish king Gustav, claimed: "not a single man is missing, everyone is where they should be" which is hard to believe, but to have suffered very small casualties is most likely true.

In the battle Gustavus Adolphus reformed tactics with close cooperation between infantry and cavalry was tried for the first time. It was also the first time the Swedish cavalry succeeded to withstand the polish cavalry.