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In page Adolf Ehrnrooth:

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During the brief Winter War against the Soviet Union, he served on the staffs of the 7th Division and the Cavalry Brigade. When the Continuation War, also against the Soviet Union, broke out in June 1941, he served as the chief of staff of the 2nd Division until he was seriously wounded. After he recovered he was appointed to lead the 7th Infantry regiment (JR 7) of the 2nd Division. During the battles on the Karelian Isthmus, he was awarded the Mannerheim cross. He also received the Grand Cross of the Royal Swedish Order of the Sword.