Wars and Memory
The Second World War (1939-1945)
The conflict that reshaped the world
The Second World War (1939-1945) is one of the most devastating and transformative conflicts in human history. Born of the unresolved tensions left by the First World War and the rise of totalitarian regimes, it engulfed the planet, drew in dozens of countries and caused incalculable human loss. Marked by decisive battles and acts of barbarity without precedent, it shattered the world order and permanently shaped the 20th century.
The causes: embers never fully extinguished
The roots of this conflict lie in the poorly managed aftermath of the First World War:
The humiliations of the Treaty of Versailles (1919)
Imposed on Germany, they fuelled deep resentment among the population and paved the way for the rise of Adolf Hitler and Nazism.
The rise of totalitarian regimes
Nazi Germany, Mussolini's Fascist Italy and Imperial Japan all adopted aggressive expansionist policies.
The failure of the League of Nations
Unable to prevent aggression: Japan's invasion of Manchuria in 1931, Italy's annexation of Ethiopia in 1935, and the Austrian Anschluss of 1938.
The policy of appeasement
The Western democracies (France and the United Kingdom) hesitated to confront Nazi provocations, hoping to avoid another war.
On 1st September 1939, the spark was lit: Germany invaded Poland. Two days later, France and the United Kingdom declared war on Germany, plunging Europe into a global conflict.
Nations involved: a world war
This conflict mobilised almost every continent, divided into two opposing sides:
The Axis Powers
Germany · Italy · Japan
supported by Hungary, Romania and Bulgaria
The Allies
France · United Kingdom · Poland
joined by the Soviet Union (1941), the United States (after Pearl Harbor, December 1941), China, Canada and many other nations
Key battles: decisive turning points
1940
Battle of Britain
A British air victory that prevented a German invasion of the British Isles.
1941
Operation Barbarossa
The German invasion of the Soviet Union, marking the beginning of titanic combat on the Eastern Front.
1942
Battle of Midway
An American naval victory that reversed the course of the war in the Pacific.
1942-1943
Battle of Stalingrad
A decisive turning point on the Eastern Front, where German forces suffered a crushing defeat.
6 June 1944
D-Day — Normandy Landings
The Allied invasion of Western Europe opened a new front against Germany. In occupied France, the Resistance prepared and supported the liberation.
1945
Fall of Berlin
The Soviet Union captured the German capital, precipitating the Nazi surrender.
The human and material cost
The Second World War is the deadliest conflict in history: approximately 70 to 85 million deaths, representing 3% of the world's population at the time.
To these human losses must be added massive material destruction: cities razed, infrastructure destroyed, national economies shattered. For the first time in history, civilians — among them millions of children — paid a heavier price than the combatants themselves.
The end of fighting: the surrenders
8 May 1945
Germany signed its surrender in Reims on 7 May. The 8th of May, Victory in Europe Day (V-E Day), marks the end of fighting on the continent. This date is today one of France's major days of commemoration.
2 September 1945
Following the atomic bombings of Hiroshima (6 August) and Nagasaki (9 August), Japan surrendered, bringing the war to an end.
The consequences: a new world order
Political and territorial
Germany was divided into occupation zones, Eastern Europe came under Soviet influence, and colonies began the path to independence. The creation of the United Nations (1945) succeeded the League of Nations to prevent future conflicts, while the Cold War began between the two emerging superpowers.
Social and economic
The revelation of Nazi atrocities led to the Universal Declaration of Human Rights (1948). The Marshall Plan financed the reconstruction of Europe. Women's participation in the war effort permanently changed their place in society.
Technological
The conflict accelerated scientific and military progress, notably in aviation, medicine and nuclear energy.
"Never again": it is on this promise that the post-1945 world was rebuilt. Transmitting it to younger generations is the very reason Poppies and Daffodils exists.