20. Waffen-Grenadier-Division der SS (estnische Nr. 1) was formed from the 3. Estnische SS-Freiwilligen Brigade. Ost-Bataillon 658 and Ost-Bataillon 659 were used to form SS-Freiwilligen-Grenadier-Regiment 47 and Ost-Bataillon 660 to form III./SS-Freiwilligen-Grenadier-Regiment 46.

It fought on the Eastern front, including the great battle at Narwa 1944 and was later evacuated from Estonia along with the rest of the German forces.

It continued fighting in Silesia and later Czechoslovakia until the end of the war when parts of the surrendered to the western allies.

Honor titles
This division was not named, but one of its units was:
SS-Frw. Gren. Regt. 45 “Estland”
“Estland” is German for “Estonia”, this being an Estonian unit.

Holders of high awards
Holders of the German Cross in Gold (1)
  Ruus, Hando, 30.12.1944, Waffen-Obersturmführer, SS-Div.Füs.Btl. 20
Holders of the Honor Roll Clasp of the Waffen-SS (2)
  Augsberger, Franz, 19.04.1945 [per Scherzer], SS-Brigadeführer u. Generalmajor der W-SS, Kdr. 20. Waffen-Gren. Div. d. SS (estn. Nr. 1)
  Ruut, Oskar, 15.02.1945, Waffen-Obersturmführer, SS-Div.Füs.Btl. 20
Holders of the Knight's Cross (6, including one unofficial/unconfirmed) (5 RK + 1 EL)
  Oakleaves
    Rebane, Alfons 09.05.1945 Waffen-Standartenführer Kdr Waffen-Gren.Rgt der SS 46 (estn. Nr.2)
      [proposal arrived at HPA on 12.04.1945 ; no further handling or an award according to the files ; in the HPA list of higher grades of the Knight's Cross there are to find no further entries ; case treated by the Ordenskommission of the OdR in 1974 and decided : ""875.EL = 8.5.1945" ; OL award # "875" determined by the OdR, award date changed by Fellgiebel later]
  Knight’s Cross
    Augsberger, Franz 08.03.1945 SS-Brigadeführer und Generalmajor der W-SS Kdr 20. Waffen-Gren.Div der SS (estn. Nr. 1)
    Langhorst, Bernhard 05.04.1945 SS-Sturmbannführer d.R. Kdr SS-Pz.Jäg.Abt 20
    Maitla, Paul 23.08.1944 Waffen-Hauptsturmführer Führer I./Waffen-Gren.Rgt der SS 45
    Nugiseks, Harald 09.04.1944 Waffen-Unterscharführer Zugführer i. d. 1./SS-Frw-Gren.Rgt 46 (estn. Nr. 2)
    Riipalu, Harald 23.08.1944 Waffen-Obersturmbannführer Kdr Waffen-Gren.Rgt der SS 45

Order of battle

Waffen-Grenadier Regiment der SS 45 “Estland” (estnische nr. 1)

  I Batallion

    1. Kompanie

    2. Kompanie

    3. Kompanie

    4. (schwere)Kompanie

  II Batallion

Battalion commanders:

    5. Kompanie

    6. Kompanie

    7. Kompanie

    8. (schwere)Kompanie

  13. (IG)Kompanie

  14. (TT)Kompanie

Waffen-Grenadier Regiment der SS 46 (estnische nr. 2)

  I Batallion

    1. Kompanie

    2. Kompanie

    3. Kompanie

    4. (schwere)Kompanie

  II Batallion

Battalion commanders:

    5. Kompanie

    6. Kompanie

    7. Kompanie

    8. (schwere)Kompanie

  13. (IG)Kompanie

  14. (TT)Kompanie

Waffen-Grenadier Regiment der SS 47(estnische nr. 3)

Waffen-Artillerie Regiment der SS 20

  I Artillerie Abteilung

    Stabbatterie

    1. Batterie

    2. Batterie

    3. Batterie

  II Artillerie Abteilung

    Stabbatterie

  4. Batterie

  5. Batterie

  6. Batterie

  III  Artillerie Abteilung

    Stabbatterie

    7. Batterie

    8 .Batterie

    9. Batterie

  IV (schwere) Artillerie Abteilung

    Stabbatterie

    10.(schwere) Batterie

    11.(schwere) Batterie

    12.(schwere) Batterie

SS-Waffen Füsilier Batallion 20

SS-Waffen Pionere Batallion 20

  Stab

  1. Pionere-Kompanie

  2. Pionere-Kompanie

  3. Pionere-Kompanie

SS-Feldersatz Batallion 20

  1. Kompanie

  2. Kompanie

  3. Kompanie

SS-Waffen Nachrichten Abteilung 20

SS-Ausbildungs- und Ersatz Regiment 20

Notable members
Hando Ruus (the only Estonian recipient of the German Cross in Gold)

Officers serving in the Einsatzgruppen and Concentration Camps
Concentration Camps 7
Einsatzgruppen 1
(includes officers serving in the Einsatzgruppen or Concentration Camps either prior to or after service in this unit)

Insignia

A collar insignia showing a mailed arm holding a sword together with a rounded E was used unofficially. An official one with only a sword and an E was authorized in the summer of 1944 but proved so unpopular that it was dropped and the unofficial insignia became the official one.

Waffen-Obersturmbannführer Haraldt Riipalu wearing the special collar tabs

(Courtesy of Gary)

Estonian soldiers with a kitten

(Courtesy of Andreas)

Estonian soldiers with a Panzerschreck (Raketenpanzerbüchse)

(Courtesy of Bundesarchiv/Wikimedia, licensed under Creative Commons Attribution ShareAlike 3.0 Germany)

The Monument of Lihula, a memorial unveiled in 2002. It has been moved twice and is currently located in Lagedi.
The text reads "To Estonian men who fought in 1940-1945 against Bolshevism and for the restoration of Estonian independence".

(Courtesy of Wikimedia)

Footnotes
1. Franz Augsberger was killed in action 19 March 1945 in Silesia.

Sources used

John R. Angolia - Cloth insignia of the SS

Georges M. Croisier - Waffen-SS (PDF)

Terry Goldsworthy - Valhalla's Warriors: A history of the Waffen-SS on the Eastern Front 1941-1945

Dr. K-G Klietmann - Die Waffen-SS: eine Dokumentation

David Littlejohn - Foreign Legions of the Third Reich, vol 4

Rolf Michaelis - Estländare i tysk tjänst 1941-1945: en översikt

Martin Månsson - Heinrich Himmler: A photographic chronicle of Hitler's Reichsführer-SS

Marc J. Rikmenspoel - Waffen-SS Encyclopedia

George H. Stein - The Waffen-SS: Hitler's Elite Guard at War 1939-1945

Frank Thayer - SS Foreign volunteer collar insignia and their reproductions (in The Military Advisor, Vol 4 No 2)

Gordon Williamson - The Waffen-SS: 11. to 23. Divisions

Mark C. Yerger - Waffen-SS Commanders: The Army, corps and divisional leaders of a legend (2 vol)

Reference material on this unit

August Jurs - Estonian freedomfighters in World War Two

Mart Laar - Eesti Leegion: sönas ja pildis / The Estonian legion in words and pictures

Richard Landwehr - Estonian Vikings

Rolf Michaelis - Esten in der Waffen-SS: Die 20. Waffen-Grenadier-Division der SS (estnische Nr. 1)