1940 — Chamberlain Declares Hitler Has “Missed the Bus”
British Prime Minister Neville Chamberlain tells the British public that Adolf Hitler has “missed the bus”, suggesting that Germany has lost its opportunity to successfully invade Western Europe.
The statement reflects Allied optimism during the so-called “Phoney War,” although events in the coming weeks would prove the assessment disastrously incorrect.
Norway and Sweden Warned
Britain and France formally notify Norway and Sweden of Allied plans to mine Norwegian coastal waters.
The operation is intended to disrupt Germany’s access to Swedish iron ore shipments moving through Norwegian ports. The decision further escalates tensions in Scandinavia only days before Germany launches its invasion of Denmark and Norway.
RAF Attacks Wilhelmshaven
The Royal Air Force launches attacks against German shipping and naval targets at Wilhelmshaven, one of Germany’s principal naval bases on the North Sea.
1942 — Germany Plans Its Great Summer Offensive
Führer Directive 41 Issued
At Hitler’s headquarters in Rastenburg, Führer Directive 41 is finalized, outlining Germany’s grand strategy for the 1942 campaign against the Soviet Union.
While the capture of Leningrad remains an objective, the main focus shifts southward toward the oil-rich Caucasus region.
The plan calls for German forces to advance toward Voronezh, destroy Soviet armies near Kharkov, and ultimately capture Stalingrad. Once secured, German armies are expected to push into the Caucasus oilfields, linking strategically with Axis operations in North Africa and threatening the Middle East.
The ambitious campaign would eventually lead to one of the most decisive battles of the war — the Battle of Stalingrad.
Japanese Carrier Strike on Ceylon
More than 180 Japanese aircraft launched from five aircraft carriers attack the British naval base at Colombo, Ceylon (modern Sri Lanka).
The raid is part of Admiral Chuichi Nagumo’s Indian Ocean offensive designed to destroy the British Eastern Fleet.
British intelligence warnings allow much of the Royal Navy to withdraw to the Maldives before the attack, but several ships are still lost. The armed merchant cruiser Hector and destroyer Tenedos are sunk during the raid.
Later the same day, Japanese aircraft locate and attack the heavy cruisers HMS Dorsetshire and HMS Cornwall southeast of Ceylon.
Both cruisers are sunk in only 22 minutes, demonstrating the devastating striking power of Japanese carrier aviation early in the Pacific War.
1943 — Battle of Wadi Akarit
The British Eighth Army attacks Axis defensive positions at Wadi Akarit in Tunisia.
The battle forms another stage in the Allied advance across North Africa as German and Italian forces continue retreating toward their final defensive positions in Tunisia.
1944 — Allied Bombing Campaign Intensifies
Raids on Ploiești Oil Refineries
The RAF and USAAF begin the first of a series of around-the-clock bombing raids against the vital oil refineries at Ploiești, Romania.
The refineries are among Germany’s most important fuel sources, and the sustained bombing campaign aims to cripple the Axis war machine by cutting off petroleum supplies.
Escape from Auschwitz
Jewish prisoner Siegfried Lederer escapes from Auschwitz-Birkenau and successfully reaches Czechoslovakia.
After escaping, Lederer warns Jewish leaders at Theresienstadt about the mass killings taking place at Auschwitz, providing rare eyewitness testimony about conditions inside the camp.
1945 — Germany Under Siege
American Bombers Strike Kiel
During a major raid by the U.S. Eighth Air Force against Kiel, severe damage is inflicted on the German cruisers Admiral Hipper and Emden.
Later in the day, another wave of approximately 450 American bombers attacks the city, continuing the destruction of Germany’s naval infrastructure.
Military Government Established on Okinawa
The United States establishes a formal military government on Okinawa as American forces continue expanding their foothold on the island.
The campaign is expected to provide vital bases for the planned invasion of mainland Japan.
Soviets Advance Toward Vienna
The Soviet 3rd Ukrainian Front reaches rail lines northwest of Vienna, cutting the city’s direct rail connection with Linz and tightening the encirclement of the Austrian capital.
Clearing the Ruhr Pocket
Approximately 18 U.S. divisions begin operations to eliminate trapped German forces inside the massive Ruhr Pocket.
Meanwhile, the French First Army captures Karlsruhe along the upper Rhine, continuing Allied advances deep into southwestern Germany.