In Estonia, the Battle of Narva started in February. The battle can be divided into two phases: the Battle for Narva Bridgehead from February to July and the Battle of Tannenberg Line from July to September. A number of volunteer and conscript Waffen-SS units from Norway, Denmark, the Netherlands, Belgium, and Estonia fought in Narva. The units were all part of the III SS (Germanic) Panzer Corps in Army Group North, which consisted of the 11th SS Panzergrenadier Division "Nordland", the 4th SS Volunteer Panzergrenadier Brigade "Nederland", the 5th SS Volunteer Sturmbrigade "Wallonien", the 6th SS Volunteer Sturmbrigade "Langemarck", and the conscript 20th Waffen Grenadier Division of the SS (1st Estonian), under the command of "Obergruppenführer" Felix Steiner.