In 1644, Leven commanded Scottish Covenanter forces to victory over English Royalists at the Battle of Marston Moor in 1644. This battle was the largest battle of the English and Scottish Civil War, and one of the most decisive.
In 1644, Leven commanded Scottish Covenanter troops to triumph over English Royalist forces at the Battle of Marston Moor in 1644. This battle was the biggest clash of the English and Scottish Civil War, and a pivotal victory.