| Political Events |
|
|
| Bolshevik Revolution (1917) |
131, 134 |
Soviet Union |
| Russian Civil War (1918-1921) |
131, 132, 134, 142 |
Soviet Union, Baltics |
| Polish-Soviet War (1919-1920) |
131, 132 |
Soviet Union |
| Lenin’s Death (January 1924) |
132 |
Soviet Union |
| New Economic Policy (NEP) |
131, 132, 133, 134 |
Soviet Union |
| Georgian Affair (1922-1923) |
131 |
Soviet Union |
| Power Struggles (1923-1927) |
132, 133 |
Soviet Union |
| Right Deviation Campaign (1928-1930) |
133 |
Soviet Union |
| Baltic Independence Movements (pre-WWI) |
142 |
Baltics |
| Second Russian Revolution (late 1917) |
142 |
Baltics |
| Baltic Declarations of Independence |
142 |
Baltics |
| Lithuanian Coup d’État (1926) |
142 |
Baltics |
| Estonian Authoritarian Constitution (1938) |
142 |
Baltics |
| Latvian Dictatorship Establishment (1934) |
142 |
Baltics |
| Estonian-Latvian Mutual Assistance Treaty |
142 |
Baltics |
| German-Estonian Non-Aggression Pact (April 1939) |
142 |
Baltics |
| German-Latvian Non-Aggression Pact (April 1939) |
142 |
Baltics |
| Soviet Ultimatum to Latvia |
142 |
Baltics |
| Soviet Ultimatum to Estonia |
142 |
Baltics |
| Soviet Ultimatum to Lithuania |
142 |
Baltics |
| Soviet-Latvian Mutual Assistance Treaty (October 5, 1939) |
142 |
Baltics |
| Soviet-Estonian Mutual Assistance Treaty (September 28, 1939) |
142 |
Baltics |
| Soviet-Lithuanian Agreement (October 1939) |
142 |
Baltics |
| Soviet Accusations Against Baltic States (June 1940) |
142 |
Baltics |
| Soviet Occupation of Baltic States (June 17, 1940) |
142 |
Baltics |
| Finnish Declaration of Independence from Russia |
143 |
Winter War |
| Finnish Civil War/War of Independence |
143 |
Winter War |
| Presidential Election (July 1919) |
143 |
Winter War |
| Soviet-Baltic Mutual Assistance Pacts |
143 |
Winter War |
| Finnish-Soviet Negotiations (March-November 1939) |
143 |
Winter War |
| Mainila Incident (November 26, 1939) |
143 |
Winter War |
| Soviet Declaration of War |
143 |
Winter War |
| Creation of People’s Revolutionary Government |
145 |
Winter War |
| Soviet-Finnish Peace Negotiations |
150 |
Winter War |
| Moscow Peace Treaty (March 13, 1940) |
150 |
Winter War |
| Munich Crisis |
154 |
1940 Naval War |
| Anglo-German Naval Agreement (1935) |
153, 159 |
1940 Naval War |
| Washington Naval Treaty (1921) |
151, 152 |
1940 Naval War |
| London Naval Conference (1930) |
151 |
1940 Naval War |
| Versailles Treaty restrictions |
153, 156 |
1940 Naval War |
| Altmark Incident |
163 |
Norway |
| Norway Debate |
164, 172 |
Norway |
| Norwegian government evacuation |
169 |
Norway |
| Quisling radio broadcast |
169 |
Norway |
| German ultimatum to Norway |
169 |
Norway |
| Norwegian Parliament session |
169 |
Norway |
| Phoney War |
177, 178, 179, 181 |
Fall of France |
| Chamberlain government falls |
179 |
Fall of France |
| Churchill becomes Prime Minister |
179 |
Fall of France |
| Reynaud replaces Daladier |
179 |
Fall of France |
| French government evacuates Paris |
205 |
Fall of France |
| Pétain becomes Prime Minister |
205 |
Fall of France |
| Belgian government in exile |
195 |
Fall of France |
| Military Events & Battles |
|
|
| Operation Vesna (1930) |
132 |
Soviet Union |
| Deep Battle Doctrine Development |
133, 140 |
Soviet Union |
| Spanish Civil War Participation |
141 |
Soviet Union |
| Khalkin Gol/Nomonhan (1939) |
141 |
Soviet Union |
| Winter War with Finland (1939-1940) |
140, 141 |
Soviet Union |
| White Offensive Against Petrograd (late 1919) |
142 |
Baltics |
| Baltic Fighting Against Communists |
142 |
Baltics |
| German Invasion of Poland (September 1939) |
142, 151, 154, 177, 178, 181 |
Baltics, 1940 Naval War, Fall of France |
| Soviet Invasion of Poland (September 1939) |
142 |
Baltics |
| Soviet Military Occupation of Baltic States |
142 |
Baltics |
| German Occupation of Baltic States (1941) |
142 |
Baltics |
| Soviet Invasion of Finland (November 30, 1939) |
143, 145 |
Winter War |
| Battle of Taipale |
145, 150 |
Winter War |
| Battle of Summa |
145, 150 |
Winter War |
| Battle of Tolvajärvi |
146 |
Winter War |
| Battle of Suomussalmi |
147 |
Winter War |
| Battle of Kollaa |
148 |
Winter War |
| Finnish Counterattack (December 22, 1939) |
149 |
Winter War |
| Breakthrough of Mannerheim Line (February 11, 1940) |
150 |
Winter War |
| First Soviet Air Raids on Helsinki |
145 |
Winter War |
| Retreat to Support Line (February 15, 1940) |
150 |
Winter War |
| Final Soviet Offensive (February 28, 1940) |
150 |
Winter War |
| Ceasefire (March 13, 1940, 11 AM) |
150 |
Winter War |
| Battle of the River Plate |
157, 158 |
1940 Naval War |
| Sinking of Admiral Graf Spee |
158 |
1940 Naval War |
| Attack on Scapa Flow by U-47 |
155, 161 |
1940 Naval War |
| Sinking of HMS Royal Oak |
155, 161 |
1940 Naval War |
| Sinking of HMS Courageous |
160 |
1940 Naval War |
| Athenia incident |
160 |
1940 Naval War |
| First Wolfpack attacks |
161 |
1940 Naval War |
| Battle of Coronel (WWI) |
156 |
1940 Naval War |
| Battle of the Falkland Islands (WWI) |
156 |
1940 Naval War |
| Battle of Jutland (WWI) |
152, 153 |
1940 Naval War |
| Invasion of Poland |
151, 154 |
1940 Naval War |
| Invasion of Norway |
155, 162 |
1940 Naval War |
| Fall of France |
162 |
1940 Naval War |
| Italian entry into war |
162 |
1940 Naval War |
| German invasion of Denmark |
165, 167 |
Norway |
| German invasion of Norway |
165, 166, 167, 168, 169, 170 |
Norway |
| Battle for Oslofjord |
168 |
Norway |
| Sinking of HMS Glowworm |
166, 172 |
Norway |
| First Naval Battle of Narvik |
171 |
Norway |
| Second Naval Battle of Narvik |
171 |
Norway |
| Battle of Kristiansand |
167 |
Norway |
| Capture of Sola airfield |
167 |
Norway |
| Capture of Trondheim |
167 |
Norway |
| Attack on Fornebu |
168 |
Norway |
| Sinking of Eidsvold and Norge |
170 |
Norway |
| Airborne attack on Dombås |
173 |
Norway |
| Recapture of Narvik |
175 |
Norway |
| German invasion of Netherlands |
182 |
Fall of France |
| German invasion of Belgium |
183, 184 |
Fall of France |
| German invasion of Luxembourg |
181, 183 |
Fall of France |
| Battle of Sedan |
177, 180, 190 |
Fall of France |
| Crossing of the Meuse |
177, 180, 183, 190 |
Fall of France |
| Battle of Hannut |
184 |
Fall of France |
| Battle of Gembloux |
184 |
Fall of France |
| Battle of Stonne |
190 |
Fall of France |
| Dunkirk evacuation |
177, 195 |
Fall of France |
| Case Red (Fall Rot) |
177, 200 |
Fall of France |
| Battle of Abbeville |
200 |
Fall of France |
| Fall of Paris |
200 |
Fall of France |
| German advance to Channel |
177, 190, 195 |
Fall of France |
| Capture of Eben Emael |
183 |
Fall of France |
| Airborne operations |
182, 183 |
Fall of France |
| French counterattacks |
190 |
Fall of France |
| Belgian surrender |
195 |
Fall of France |
| Weygand Plan |
195 |
Fall of France |
| Economic Programs |
|
|
| War Communism |
134 |
Soviet Union |
| First Five Year Plan (1928-1932) |
133, 134, 135, 137 |
Soviet Union |
| Second Five Year Plan (1932-1937) |
137 |
Soviet Union |
| Third Five Year Plan (1938-1942) |
137 |
Soviet Union |
| Great Depression Effects on Baltics |
142 |
Baltics |
| Soviet-Estonian Trade Agreement Negotiations |
142 |
Baltics |
| European Rearmament Efforts (late 1930s) |
142 |
Baltics |
| Soviet Economic Blockade |
143 |
Winter War |
| Finnish War Production |
144 |
Winter War |
| Swedish Iron Ore Exports to Germany |
149 |
Winter War |
| British naval rearmament (1937) |
152 |
1940 Naval War |
| German naval rearmament |
153 |
1940 Naval War |
| Convoy system implementation |
154, 159 |
1940 Naval War |
| British merchant ship arming |
154 |
1940 Naval War |
| Armoured Merchant Cruisers (AMCs) |
154 |
1940 Naval War |
| Swedish iron ore trade |
163, 164, 165 |
Norway |
| German economic warfare |
164, 177 |
Norway, Fall of France |
| Allied blockade of Germany |
177 |
Fall of France |
| French industrial mobilization |
178 |
Fall of France |
| British rearmament |
178 |
Fall of France |
| American Lend-Lease discussions |
178 |
Fall of France |
| Agricultural Policies |
|
|
| Land Redistribution (1917-1921) |
134 |
Soviet Union |
| Collectivization Drive (1929-1932) |
134, 135, 136 |
Soviet Union |
| Dekulakization (1929-1933) |
134, 135, 136 |
Soviet Union |
| Holodomor/Ukrainian Famine (1932-1933) |
136 |
Soviet Union |
| Livestock Slaughter (1928-1933) |
135 |
Soviet Union |
| Purges & Repression |
|
|
| Ryutin Affair (1932) |
138 |
Soviet Union |
| Kirov Murder (December 1934) |
138 |
Soviet Union |
| Great Purges/Great Terror (1934-1939) |
138, 139 |
Soviet Union |
| Military Purges (1936-1938) |
139 |
Soviet Union |
| NKVD Order 447 (July 1937) |
138 |
Soviet Union |
| Mass Executions in Occupied Poland (20,000+ people) |
142 |
Baltics |
| Baltic Population Deportations and Killings (1940-1945) |
142 |
Baltics |
| Social & Cultural Changes |
|
|
| Gulag Expansion |
137 |
Soviet Union |
| Military Expansion (1930s-1941) |
139, 140 |
Soviet Union |
| Cultural Repression |
135, 136 |
Soviet Union |
| Baltic Nationalist Movements |
142 |
Baltics |
| Democratic Assembly Establishments |
142 |
Baltics |
| Opposition Political Parties Banned |
142 |
Baltics |
| White Terror in Finland |
143 |
Winter War |
| Red Terror in Finland |
143 |
Winter War |
| Finnish Mobilization |
144, 145 |
Winter War |
| Swedish Volunteer Corps Formation |
149 |
Winter War |
| Finnish Conscription of 16-year-olds and 50+ men |
150 |
Winter War |
| Royal Naval Reserve mobilization |
154 |
1940 Naval War |
| British maritime trade reorganization |
154 |
1940 Naval War |
| Neutral shipping integration |
154 |
1940 Naval War |
| Polish merchant marine integration |
154 |
1940 Naval War |
| Norwegian mobilization |
169 |
Norway |
| French mobilization |
178 |
Fall of France |
| British mobilization |
178 |
Fall of France |
| Civilian evacuations |
182, 195 |
Fall of France |
| Naval Construction & Technology |
|
|
| King George V class construction |
151, 159 |
1940 Naval War |
| Lion class battleships |
152 |
1940 Naval War |
| HMS Vanguard construction |
152 |
1940 Naval War |
| Plan Z construction program |
153, 160 |
1940 Naval War |
| Graf Zeppelin aircraft carrier |
153 |
1940 Naval War |
| Panzerschiffe development |
151, 153, 156 |
1940 Naval War |
| U-boat construction programs |
160, 162 |
1940 Naval War |
| International Relations |
|
|
| Soviet-German Relations |
139 |
Soviet Union |
| Soviet-Japanese Tensions |
141 |
Soviet Union |
| Soviet Naval Expansion Plans |
141 |
Soviet Union |
| Molotov-Ribbentrop Pact (Nazi-Soviet Pact) |
142 |
Baltics |
| Baltic-Soviet Peace Treaties (post-Civil War, by 1920) |
142 |
Baltics |
| Estonian-Finnish Diplomatic Conversations (early 1939) |
142 |
Baltics |
| German Diplomatic Outreach to Eastern Europe (1939) |
142 |
Baltics |
| Western Powers’ Inaction After Poland Invasion |
142 |
Baltics |
| Fall of France (June 1940) |
142 |
Baltics |
| Soviet-German Non-Aggression Pact |
143 |
Winter War |
| British-French Aid Planning |
149 |
Winter War |
| League of Nations Discussions |
149 |
Winter War |
| Nordic Neutrality Crisis |
149 |
Winter War |
| Soviet Complaint about Swedish Volunteers |
149 |
Winter War |
| Two Power Naval Standard |
152 |
1940 Naval War |
| Anglo-German Naval Arms Race |
152 |
1940 Naval War |
| British-Japanese naval alliance |
151 |
1940 Naval War |
| Neutral nations shipping agreements |
154 |
1940 Naval War |
| British-French Supreme War Council |
164, 172 |
Norway |
| German-Swedish relations |
174 |
Norway |
| British mine laying operations |
164 |
Norway |
| Franco-British Supreme War Council |
177, 178 |
Fall of France |
| Anglo-French cooperation |
178 |
Fall of France |
| Italian neutrality |
195 |
Fall of France |
| American neutrality |
178 |
Fall of France |
| Polish government in exile |
178 |
Fall of France |
| Policies & Legislation |
|
|
| Soviet Mutual Assistance Demands |
143 |
Winter War |
| Finnish Defense Council Formation |
143 |
Winter War |
| VK2 War Plan |
144 |
Winter War |
| Soviet Northwestern Front Reorganization |
149 |
Winter War |
| Finnish General Mobilization |
144 |
Winter War |
| Naval Defence Act (1889) |
152 |
1940 Naval War |
| Submarine Protocol (1930) |
160 |
1940 Naval War |
| German rules of engagement changes |
156, 160, 161 |
1940 Naval War |
| British convoy regulations |
154 |
1940 Naval War |
| Operation Weserübung |
165 |
Norway |
| Operation Hammer |
172 |
Norway |
| Plan R4 |
164, 166 |
Norway |
| British evacuation orders |
173 |
Norway |
| Fall Gelb (Case Yellow) |
181 |
Fall of France |
| Dyle Plan |
180, 184 |
Fall of France |
| Breda Variant |
180 |
Fall of France |
| Schlieffen Plan comparison |
181 |
Fall of France |
| Maginot Line strategy |
177, 180 |
Fall of France |
| Methodical battle doctrine |
180 |
Fall of France |
| French armistice with Germany |
205 |
Fall of France |
| Vichy government formation |
207 |
Fall of France |
| Riom Trials |
207 |
Fall of France |
| De Gaulle’s Appeal of 18 June |
205 |
Fall of France |
| Franco-British Union proposal |
205 |
Fall of France |
| Scientific & Technical Developments |
|
|
| Asdic/Sonar development |
154, 159, 160 |
1940 Naval War |
| Radar development |
156, 159 |
1940 Naval War |
| Enigma encryption system |
154, 159 |
1940 Naval War |
| German torpedo problems |
160, 161, 162 |
1940 Naval War |
| Magnetic mines development |
155 |
1940 Naval War |
| Degaussing/Deperming technology |
155, 162 |
1940 Naval War |
| Depth charge technology |
159, 160 |
1940 Naval War |
| Intelligence & Warfare |
|
|
| German signals intelligence (xB-Dienst) |
154 |
1940 Naval War |
| British codebreaking efforts |
159 |
1940 Naval War |
| Polish Enigma breakthroughs |
159 |
1940 Naval War |
| Radio direction finding |
154, 159 |
1940 Naval War |
| Mine warfare campaigns |
154, 155 |
1940 Naval War |
| Air-Naval Operations |
|
|
| Luftwaffe attacks on Scapa Flow |
155 |
1940 Naval War |
| Coastal Command operations |
155 |
1940 Naval War |
| Anti-submarine strike forces |
160 |
1940 Naval War |
| Fleet Air Arm establishment |
151, 153 |
1940 Naval War |