The Timeline 10.5.1940 - 30.11.1940

May 1940 World War II German Action/Plans against Switzerland Switzerland Swiss Operational Planning
         
10.05.1940 German attack on France   Swiss Air Force (Fl Kp 21, Bf-109 E) intercepts a single Do-17 and damages the plane which has to land in Germany.  
11.05.1940        
12.05.1940        
13.05.1940 Crossing over Meuse at Sedan secured by Army Group A      
14.05.1940 Dutch surrender, French counterattack at Sedan      
15.05.1940 German breakout      
16.05.1940     Swiss Air Force (Fl Kp 21, Bf-109 E) intercepts a single He-111 D and damages the plane which has to land in Switzerland (Ottikon E of Kempthal).  
17.05.1940       Study by Col Germann mentions a central redoubt.
18.05.1940        
19.05.1940        
20.05.1940 German tanks reach the Atlantic      
21.05.1940        
22.05.1940        
23.05.1940        
24.05.1940 Attack on Dunkirk stopped by Hitler      
25.05.1940       As a reply to Germann's report Guisan gives orders to the Chief of Staff to look for alternatives for the defense (including a retreat towards the Alps).
26.05.1940 Allied Evacuation begins      
27.05.1940 Calais falls      
28.05.1940 Belgium surrenders      
29.05.1940        
30.05.1940        
31.05.1940        
June 1940 World War II German Action/Plans against Switzerland Switzerland Swiss Operational Planning
01.06.1940     Swiss Air Force (Fl Kp 6, Bf-109 E) shoots down one He-111 H and (Fl Kp 6 and Fl Kp 15, Bf-109 E) shoots down another He-111 H.  
02.06.1940     Swiss Air Force (Fl Kp 15, Bf-109 E) intercepts one He-111 P which has to land in CH.  
03.06.1940       "…, since we cannot expect any significant help from France anymore …" (UC Front Gugger)
04.06.1940     Air Battle with German 29 planes and 12 Swiss planes (10 Bf-109 E of Fl Kp 6 and Fl Kp 15, 2 Morane of Fl Kp 13 and two C 35 of Fl Kp 2). 2 Me-110 are shot down. One Swiss Bf-109 D lost.  
05.06.1940 Germans renew their offensive German diplomatic note handed to Swiss government    
06.06.1940     Swiss AA (Flab Det 20, Flab Det 80) shoots at foreign plane which has to land in France.  
07.06.1940        
08.06.1940     Air Battle with German 32 planes and 12 Swiss Bf-109 E (Fl Kp 6, Fl Kp 15 and Fl Kp 21). 3 Me-110 are shot down. 1 C-35 of Fl Kp 10 is lost. 1 Swiss Bf-109 E pilot lands his plane safely despite severe wounds.  
09.06.1940   Germany recalls journalists, Hitler takes care of the air incidents personally    
10.06.1940 Italy declares war      
11.06.1940        
12.06.1940        
13.06.1940       Detailed study by Col German is submitted to the general.
"... a position which should be the centre of the country, the pre-alpes, covering the area of the Gotthard"
(Note by Guisan)
14.06.1940        
15.06.1940        
16.06.1940 Raynaud resigns. Pétain takes office Hitler orders the encirclement of CH Swiss army orders high readiness.  
    10 Germans sent to Switzerland to sabotage Swiss air force    
17.06.1940 France asks conditions 29 Inf Div (mot) reaches Swiss border at the Doubs Swiss Air Force command orders that only closed groups of 3 or more planes should be attacked.  
18.06.1940       Letter by Ob Frick (7. Div) to ObKKdt Labhardt (4. AK).
19.06.1940 Hitler orders Lyons to be taken Second German diplomatic note - a threat: "the government of the Reich would no longer use words, but would protect the German interests in an other manner, should such events occur in the future."    
20.06.1940

 

 

 

 

 

Guisan orders a stop of all interception of enemy aircraft over Siwss territory.

French XLV AK (67e DI, 2e DI Polonaise, 2e BS) are interned in CH (29'700 F, 12'000 PL, 1'600 Vehicles)

Operational Order #10
"Defense against all sides"
21.06.1940 Italian attack begins in a narrow sector close to CH border     "… I imagine this position to be based on the Gotthard …" (Labhardt 4.AK, based on the letter by Frick)
22.06.1940

 

 

 

 

 

 

French 2nd Army Group surrenders

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Preliminary Study (Germann)

Assessment of the Situation (Gonard, C Op)

Proposal (Strüby UC Front)

Guisan confers with corps commanders (with the papers above as a basis)

Guisan and Huber decide to ask Strüby, Gonard and Germann to do three in depth studies.

23.06.1940

13. Inf Div takes Aix-les-Bains - gets stuck N of Chambéry

Hitler visits Paris, oders 6. Mtn and 1. Mtn to the Swiss border

Montbéliard: 29. ID (mot),
Morteau: 1. PD,
Salins: 2. PD,
Pontarlier: XXXIX AK;
Besançon: Guderian

"To mentally prepare the tasks for 12th Army". List: Personal - Kübler, Bergmann, Fahrmbacher, Schörner

Guisan orders to stop the work on the fortifications of the "Fall Nord".  
24.06.1940   3. Pz Div gets stuck at Voreppe (near Grenoble). German offensive to encircle Switzerland fails.   Lardelli's (1. AK) Letter
25.06.1940 French capitulation

OKH to HGr A, B, C: "... the German Wehrmacht will be re-organised to continue war against England ..."

First German attack plan (4 Corps, 9 Divs). Op Abt (I) OKH (von Menges' notes for his presentation).

OKH to HGr A, B, C:"HGr C operates in the other parts of France. Tasks: Re-organisation and training of the subordinated units. Preparation for a special task under specific orders."

President of federal council Pilet-Golaz announces «a partial and stepwise demobilization» and that «... the events march quickly: one has to adapt to their rythm».  Prisi's (2. AK) Protocol
26.06.1940   Wehrmacht regroups. HGr C receives 1st, 2nd and 12th Army "There will be orders for the specific special tasks for these troops"    
27.06.1940        
28.06.1940   "It is necessary, that 12th Army assembles quickly" close to the Swiss border Guisan's order of the day: "The task of the army is not completed"  
29.06.1940        
30.06.1940       Study Germann
incl a detailed analysis of the area Pragel - Zugersee
July 1940 World War II German Action/Plans against Switzerland Switzerland Swiss Operational Planning
01.07.1940   6 ID
2 Geb D
4 Panzer D
2 ID (mot)
assembled close to CH

Report of the OKH about the Swiss fortifications.

Swiss reply to the German note of the 19.6. Study Gonard (chief operations)
Study Strüby (subchief of UG Front)
02.07.1940   Hitler informs Goebbels about details on the Swiss-French agreement (Plan "H") "... to maintain the independence of the country and to maintain the integrity of the territory by using all military means ..." (Federal Council to the General)

Guisan's order of the day: "We will fight, even if victory will not be ours. We will fight for each foot of our country and to uphold of the honor of our army and our country."

Huber's (Chief of Staff) Letter

Huber submits the three studies to the general.

03.07.1940 Fort de l'Ecluse surrenders      
04.07.1940       The general and the chief of staff meet Strüby, Gonard and Germann.
05.07.1940       Barbey submits an evaluation of the three reports. He considers, that the plan Strüby can be implemented with the shortest delay. The other plans would take longer.

The chief of staff Huber gives orders to prepare detailed orders for the plan Strüby.

06.07.1940   12th Army HQ arrives in Dijon

A German officer (47. Pz J Abt / 6. Geb Div) is shot a by Swiss soldiers when he crosses the Swiss border close to the Col d'Aiguillon.

Switzerland demobilizes from 450'000 to 150'000 men  
07.07.1940       Guisan confers with corps commander - three layer concept discussed

Germann: Entrance to the Bernese Oberland

08.07.1940        
09.07.1940   Assembly of 12th Army (Dijon) completed (9 divisions. 250'000 men)   The general staff works on the redoubt plan (Protocol of Gruppe Front)
10.07.1940 Battle of Britain starts, Convoy attacks, Kanalkampf     Guisan issues formal orders to Huber for the re-grouping of the army. He assumed, that it would take 15 days for the army to regroup.
11.07.1940        
12.07.1940     Note to the Federal Council on the creation of the central redoubt Operational Order #11
"Preparations for the Central Redoubt"
13.07.1940   First date of possible German attack   Germann: Zugersee - Hohgant
14.07.1940   Reconnaissance of the approach to CH (21. ID)    
15.07.1940   Reconnaissance of the approach to CH (XXXIII)

Himmler visits Swiss border near Les Verrières

   
16.07.1940 Hitler orders preparation of invasion plan against Great Britain von Weizäcker informs the Swiss ambassador in Berlin Frölicher, that the response to the note of the 19.6. was accepted and that the "dispute has been settled".    
17.07.1940 OKH: Order for the preparations of an attack against Great Britain.     Operational Order #12
"The Central Redoubt"
18.07.1940        
19.07.1940   Hitler offers peace to Great Britain "Appell an die Vernunft"    
20.07.1940   Situation report no 404 of the OKH mentiones that strong Swiss forces are bound by guard duty by the interned Polish and French troops.    
21.07.1940        
22.07.1940        
23.07.1940        
24.07.1940   1. Geb Div is allocated to "Seelöwe"    
25.07.1940   6. Geb Div is allocated to "Seelöwe" Rütlirapport: The General announces the concept of the Réduit National to his officers.  
26.07.1940        
27.07.1940 OKH: First order of battle for "Seelöwe", the invasion of England.     OOB for Order #12
28.07.1940        
29.07.1940        
30.07.1940 OKH: Meeting on the detailed planning for "Seelöwe". Situation report no 406 of the OKH mentions that the Swiss forces are now at 220'000 men.    
31.07.1940        
Aug 40 World War II German Action/Plans against Switzerland Switzerland Swiss Operational Planning
01.08.1940        
02.08.1940        
03.08.1940 Hitler tells v. Brauchitsch and Halder about his plans for "Barbarossa" Report about changes in Switzerland: Demob identified, interned troops.

Orders to 12th Army to rework the attack plan

   
04.08.1940        
05.08.1940        
06.08.1940        
07.08.1940        
08.08.1940   2nd Refined German attack plan. Op Abt (I) OKH (von Menges).

Réduit National not recognized. Germans still believe that main Swiss forces are located on the Swiss plateau.

   
09.08.1940        
10.08.1940 OKH: Order on the training for "Seelöwe"      
11.08.1940 Adlertag, Adlerkampf (Eagle Fight) against British aifields close to the coast      
12.08.1940   2nd Refined German attack plan reworked by von Menges.    
13.08.1940        
14.08.1940        
15.08.1940 Biggest Day of the Battle of Britain. Luftflotte 5 is retired (Norway)      
16.08.1940   Situation report no 411 of the OKH: Light division indentified.    
17.08.1940     Div 6 moved to the Alps  
18.08.1940 Hardest Day. Subsequently the Stukas are retired      
19.08.1940        
20.08.1940        
21.08.1940        
22.08.1940        
23.08.1940        
24.08.1940 Attack against all airfields Report by the German military attaché in Bern about the readiness of Swiss defenses.    
25.08.1940 British Bombing of Berlin      
26.08.1940   Situation report no 413 of the OKH: Swiss forces now at 130'000 men.

Halder (OKH) gives the order for the planning of an operation against Switzerland

   
27.08.1940   HGr C gives orders to 12th Army to do the operational planning    
28.08.1940   Operations departement of 12th Army sends plan to HGr C "Fall Grün" (works with 24 divisions).    
29.08.1940   HGr C replies that 15 divisions will be available.

10 ID and 3 Pz Korps are sent to the East

   
30.08.1940        
31.08.1940        
Sep 40 World War II German Action/Plans against Switzerland Switzerland Swiss Operational Planning
01.09.1940 Quartermaster of the Heer: Planning of the logistic support for "Seelöwe" German plan now called "Tannenbaum"    
02.09.1940        
03.09.1940        
04.09.1940        
05.09.1940        
06.09.1940   12th Army submits Operation "Tannenbaum" to HGr C (12th Army asks 15 to 17 divisions, HGr C adds another 6 to 7).    
07.09.1940        
09.09.1940   Situation report no 414 of the OKH: Changes in Swiss readiness.    
10.09.1940        
11.09.1940        
12.09.1940        
13.09.1940        
14.09.1940        
15.09.1940        
16.09.1940        
17.09.1940        
18.09.1940 Operations Heer: Timeline for the preparations for "Seelöwe".      
19.09.1940        
20.09.1940        
21.09.1940        
22.09.1940   Situation report no 417 of the OKH: "Central redoubt" identified wrongly (=Advanced position).    
23.09.1940        
24.09.1940        
25.09.1940        
26.09.1940        
27.09.1940        
28.09.1940        
29.09.1940        
30.09.1940        
October 1940 World War II German Action/Plans against Switzerland Switzerland Swiss Operational Planning
01.10.1940        
02.10.1940        
03.10.1940 OKH: Preparation time for "Seelöwe"  is no longer 10 days, but 20 days.      
04.10.1940   HGr C sends the plan "Tannenbaum" to the OKH (21 divisions).    
05.10.1940        
06.10.1940        
07.10.1940        
08.10.1940        
09.10.1940   Op Abt (I) OKH states that 11 divisions should be enough.    
10.10.1940        
11.10.1940        
12.10.1940        
13.10.1940        
14.10.1940        
15.10.1940 OKH: "preparations for an invasion of England have to be maintained as a means of political pressure only".      
16.10.1940        
17.10.1940   Halder notes on the statement of the 9.10. that he agrees with the 11 divisions.    
18.10.1940        
19.10.1940        
20.10.1940        
21.10.1940        
22.10.1940        
23.10.1940        
24.10.1940        
25.10.1940        
26.10.1940        
27.10.1940        
28.10.1940        
29.10.1940        
30.10.1940        
31.10.1940        
Nov 40 World War II German Action/Plans against Switzerland Switzerland Swiss Operational Planning
01.11.1940        
02.11.1940        
03.11.1940        
04.11.1940        
05.11.1940        
06.11.1940        
07.11.1940        
08.11.1940        
09.11.1940        
10.11.1940        
11.11.1940   OKH: Operation against Switzerland no longer urgent.    
12.11.1940        
13.11.1940        
14.11.1940        
15.11.1940        
16.11.1940        
17.11.1940        
18.11.1940        
19.11.1940        
20.11.1940        
21.11.1940        
22.11.1940        
23.11.1940        
24.11.1940        
25.11.1940        
26.11.1940        
27.11.1940        
28.11.1940        
29.11.1940        
30.11.1940        

 

[Last Update 30.08.2010]