Military

• Air Force 
• Army
• Navy

Equipment

• Equipment captured from the USSR
• Equipment received from Germany
• Equipment used by the Axis nations

Orders of battle

• 22 June 1941 - The Invasion of the USSR
• 24 June 1942 - The buildup to Fall Blau
• 15 November 1942 - Prelude to disaster
• 7 July 1943 - Kursk: Graveyard of the Panzers
• 26 December 1943 - The collapsing Eastern Front

Various

• Abbreviations
• Books
• Collaboration & Far Right Parties
• Equipment
• Finnish volunteers in the German forces
• Flags
• Foreign volunteers in the Winter War
• Gallery
• Losses in the Winter War
• Memorials
• Militaria
• Military terminology
• Museums
• Songs
• Swastika

Finlands participation in WW2 is usually divided into three separate wars: 
Winter War (Talvisota) - 30 Nov 1939 - 13 Mar 1940 (alone against the USSR)
Continuation War (Jatkosota) - 25 June 1941 - 4 Sep 1944 (against the USSR together with Germany)
Lapland War (Lapin sota) - 27 Sep 1944 - 27 Apr 1945 (against Germany)