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Period: to
World war II
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Japan invades Manchuria.
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Fascist Italy invades, conquers, and annexes Ethiopia.
It would end in May 1936 -
Nazi Germany and Fascist Italy sign a treaty of cooperation
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The Rome-Berlin Axis is announced
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Nazi Germany and Imperial Japan sign the Anti-Comintern Pact, directed against the Soviet Union and the international Communist movement.
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Japan invades China, initiating World War II in the Pacific.
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Germany incorporates Austria in the Anschluss.
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Germany, Italy, Great Britain, and France sign the Munich agreement which forces the Czechoslovak Republic to cede the Sudetenland, including the key Czechoslovak military defense positions, to Nazi Germany.
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Under German pressure, the Slovaks declare their independence and form a Slovak Republic. The Germans occupy the rump Czech lands in violation of the Munich agreement, forming a Protectorate of Bohemia and Moravia.
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France and Great Britain guarantee the integrity of the borders of the Polish state.
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Fascist Italy invades and annexes Albania.
This would end April 15, 1939 -
Nazi Germany and the Soviet Union sign a nonaggression agreement and a secret codicil dividing eastern Europe into spheres of influence.
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Honoring their guarantee of Poland’s borders, Great Britain and France declare war on Germany.
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The Soviet Union invades Poland from the east.
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Warsaw surrenders and The Polish government flees into exile via Romania. Germany and the Soviet Union divide Poland between them.
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The Soviet Union invades Finland, initiating the so-called Winter War. The Finns sue for an armistice and have to cede the northern shores of Lake Lagoda and the small Finnish coastline on the Arctic Sea to the Soviet Union.
November 30, 1939–March 12, 1940 -
Germany invades Denmark and Norway. Denmark surrenders on the day of the attack; Norway holds out until June 9.
April 9, 1940–June 9, 1940 -
Germany attacks
May 10, 1940–June 22, 1940
Germany attacks western Europe—France and the neutral Low Countries. Luxembourg is occupied on May 10; the Netherlands surrenders on May 14; and Belgium surrenders on May 28. On June 22, France signs an armistice agreement by which the Germans occupy the northern half of the country and the entire Atlantic coastline. In southern France, a collaborationist regime with its capital in Vichy is established. -
Italy enters the war. Italy invades southern France on June 21.
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The air war known as the Battle of Britain ends in defeat for Nazi Germany.
July 10, 1940–October 31, 1940 -
The Soviet Union occupies the Baltic States on June 14–18, engineering Communist coup d’états in each of them on July 14–15, and then annexing them as Soviet Republics on August 3–6.
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The Soviet Union forces Romania to cede the eastern province of Bessarabia and the northern half of Bukovina to the Soviet Ukraine.
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Second Vienna Award:
Germany and Italy arbitrate a decision on the division of the disputed province of Transylvania between Romania and Hungary. The loss of northern Transylvania forces Romanian King Carol to abdicate in favor of his son, Michael, and brings to power a dictatorship under General Ion Antonescu. -
The Italians invade British-controlled Egypt from Italian-controlled Libya.
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Germany, Italy, and Japan sign the Tripartite Pact.
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Italy invades Greece from Albania on October 28.
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Slovakia (November 23), Hungary (November 20), and Romania (November 22) join the Axis.
November 1940 -
The Germans send the Afrika Korps to North Africa to reinforce the faltering Italians.
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Bulgaria joins the Axis.
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Germany, Italy, Hungary, and Bulgaria invade and dismember Yugoslavia. Yugoslavia surrenders on April 17. Germany and Bulgaria invade Greece in support of the Italians. Resistance in Greece ceases in early June 1941.
April 6, 1941–June 1941 -
Ustasa movement
The leaders of the terrorist Ustasa movement proclaim the so-called Independent State of Croatia. Recognized immediately by Germany and Italy, the new state includes the province of Bosnia-Herzegovina. Croatia joins the Axis powers formally on June 15, 1941. -
Nazi Germany and its Axis partners (except Bulgaria) invade the Soviet Union.
June 22, 1941–November 1941
Nazi Germany and its Axis partners (except Bulgaria) invade the Soviet Union. Finland, seeking redress for the territorial losses in the armistice concluding the Winter War, joins the Axis just before the invasion. The Germans quickly overrun the Baltic States and, joined by the Finns, lay siege to Leningrad (St. Petersburg) by September. In the center, the Germans capture Smolensk in early August and drive on Moscow by October. In the south, German and Romanian troop -
A Soviet counteroffensive drives the Germans from the Moscow suburbs in chaotic retreat.
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Japan bombs Pearl Harbor.
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The United States declares war on Japan
The United States declares war on Japan, entering World War II. Japanese troops land in the Philippines, French Indochina (Vietnam, Laos, Cambodia), and British Singapore. By April 1942, the Philippines, Indochina, and Singapore are under Japanese occupation. -
Nazi Germany and its Axis partners declare war on the United States
December 11–13, 1941 -
The British bomb Köln (Cologne), bringing the war home to Germany for the first time. Over the next three years Anglo-American bombing reduces urban Germany to rubble
May 30, 1942–May 1945
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British and US navies halt the Japanese naval advance in the central Pacific at Midway.
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Germany and her Axis partners launch a new offensive in the Soviet Union. German troops fight their way into Stalingrad (Volgograd) on the Volga River by mid-September and penetrate deep into the Caucasus after securing the Crimean Peninsula.
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US troops halt the Japanese island-hopping advance towards Australia at Guadalcanal in the Solomon Islands.
August–November 1942 -
British troops defeat the Germans and Italians at El Alamein in Egypt, sending the Axis forces in chaotic retreat across Libya to the eastern border of Tunisia.
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US and British troops land at several points on the beaches of Algeria and Morocco in French North Africa.
US and British troops land at several points on the beaches of Algeria and Morocco in French North Africa. The failure of the Vichy French troops to defend against the invasion enables the Allies to move swiftly to the western border of Tunisia, and triggers the German occupation of southern France on November 11. -
Soviet troops counterattack
November 23, 1942–February 2, 1943
Soviet troops counterattack, breaking through the Hungarian and Romanian lines northwest and southwest of Stalingrad and trapping the German Sixth Army in the city. Forbidden by Hitler to retreat or try to break out of the Soviet ring, the survivors of the Sixth Army surrender on January 30 and February 2, 1943. -
Axis forces in Tunisia surrender to the Allies, ending the North African campaign.
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The Germans launch a massive tank offensive near Kursk in the Soviet Union. The Soviets blunt the attack within a week and begin an offensive initiative of their own.
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US and British troops land on Sicily. By mid-August, the Allies control Sicily.
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The Fascist Grand Council deposes Benito Mussolini, enabling Italian marshall Pietro Badoglio to form a new government.
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The Badoglio government surrenders
September 8, 1943
The Badoglio government surrenders unconditionally to the Allies. The Germans immediately seize control of Rome and northern Italy, establishing a puppet Fascist regime under Mussolini, who is freed from imprisonment by German commandos on September 12. -
Allied troops land on the beaches of Salerno near Naples.
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Soviet troops liberate Kiev.
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Fearing Hungary’s intention to desert the Axis partnership, the Germans occupy Hungary and compel the regent, Admiral Miklos Horthy, to appoint a pro-German minister president.
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British and US troops successfully land on the Normandy beaches of France, opening a “Second Front” against the Germans.
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Allied troops liberate Rome. Within six weeks, Anglo-American bombers could hit targets in eastern Germany for the first time.
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Allied troops land successfully near Anzio, just south of Rome.
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The Soviets launch a massive offensive in eastern Byelorussia (Belarus), destroying the German Army Group Center and driving westward to the Vistula River across from Warsaw in central Poland by August 1.
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Anglo-American forces break out of the Normandy beachhead and race eastward towards Paris.
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The non-communist underground Home Army rises up against the Germans in an effort to liberate Warsaw
August 1, 1944–October 5, 1944
The non-communist underground Home Army rises up against the Germans in an effort to liberate Warsaw before the arrival of Soviet troops. The Soviet advance halts on the east bank of the Vistula. On October 5, the Germans accept the surrender of the remnants of the Home Army forces fighting in Warsaw. -
Allied forces land in southern France near Nice and advance rapidly towards the Rhine River to the northeast.
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Allied troops reach Paris.
August 20–25, 1944
Allied troops reach Paris. On August 25, Free French forces, supported by Allied troops, enter the French capital. By September, the Allies reach the German border; by December, virtually all of France, most of Belgium, and part of the southern Netherlands are liberated. -
The appearance of Soviet troops on the Prut River induces the Romanian opposition to overthrow the Antonescu regime.
The appearance of Soviet troops on the Prut River induces the Romanian opposition to overthrow the Antonescu regime. The new government concludes an armistice and immediately switches sides in the war. The Romanian turnaround compels Bulgaria to surrender on September 8, and the Germans to evacuate Greece, Albania, and southern Yugoslavia in October. -
Under the leadership of the Slovak National Council, consisting of both Communists and non-Communists, underground Slovak resistance units rise against the Germans and the indigenous fascist Slovak regime.
August 29, 1944–October 28, 1944
Under the leadership of the Slovak National Council, consisting of both Communists and non-Communists, underground Slovak resistance units rise against the Germans and the indigenous fascist Slovak regime. In late October, the Germans capture Banská Bystrica, the headquarters of the uprising, and put an end to organized resistance. -
Finland concludes an armistice with the Soviet Union, leaving the Axis partnership.
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The Hungarian fascist Arrow Cross movement carries out a coup d’état with German support to prevent the Hungarian government from pursuing negotiations for surrender to the Soviets.
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US troops land in the Philippines.
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The Germans launch a final offensive in the west, known as the Battle of the Bulge, in an attempt to re-conquer Belgium and split the Allied forces along the German border. By January 1, 1945, the Germans are in retreat.
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The Soviets launch a new offensive
The Soviets launch a new offensive, liberating Warsaw and Krakow in January, capturing Budapest after a two-month siege on February 13, driving the Germans and their Hungarian collaborators out of Hungary in early April, forcing the surrender of Slovakia with the capture of Bratislava on April 4, and capturing Vienna on April 13. -
US troops cross the Rhine River at Remagen.
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Partisan units
Partisan units, led by Yugoslav Communist leader Josip Tito, capture Zagreb and topple the Ustasa regime. The top Ustasa leaders flee to Italy and Austria. -
The Soviets launch their final offensive, encircling Berlin.
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Hitler commits suicide.
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Allied troops conquer Okinawa, the last island stop before the Japanese islands.
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Germany surrenders to the western Allies.
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Germany surrenders to the Soviets.
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The United States drops an atomic bomb on Hiroshima.
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The Soviet Union declares war on Japan and invades Manchuria
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The United States drops an atomic bomb on Nagasaki.
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Having agreed in principle to unconditional surrender on August 14, 1945, Japan formally surrenders, ending World War II.