When did WW2 start?

Information about "When did WW2 Start?": September 1st 1939 will be considered as the start of WW2 in Europe. On this Friday, German units attacked Poland without a declaration of war (required by international law). Just 48 hours later on Sunday, September 3rd 1939 Britain, France, Australia, New Zealand and India declared war on Germany.



The answer to the question "When did the WW2 start?" can differ. The starting date of WW2 as a global war is more controversial due to the different theatres of war and their individual start dates. For instance, in the Pacific, Japan invaded China for a second time in 1937, sparking off a chain of events which could be considered the first stage of WW2.



How does a war start? How does a global world war start? With the first border violations? The first acts of violence? There are numerous recorded incidents of border violations, assaults and other aggressive incidents in the build-up to WW2. Particularly noteworthy in this context is the incident at Gleiwitz radio station and the border town of Bytom.

Where and when did WW2 start?

The actual location where WW2 started is controversial, with two candidate. First, the bombardment of the Polish garrison at Westerplatte, and second, the SS and German Home Guard attack on the Polish Post Office in Danzig are the leading candidates.


When did WW2 start? The start of WW2 is usually stated in Polish time at 5.40 (CET) or 4.45 (GMT).


Who was responsible for the orders that lead to the start of WW2? The supreme commander of the German Wehrmacht, Adolf Hitler issued the order to invade Poland on August 31st 1939 (World War 1 and 2).



A brief summary of events to answer the question "When did WW2 start?":

- July 7th 1937: Japanís second invasion of China (a possible first theater of war)


Provocative incidents in central Europe: Gleiwitz radio station, border town Bytom


- September 1st 1939: Germany invades Poland (the beginning of WW2 - considered controversial)


When did WW2 start


- September 3rd 1939 Declaration of war from Britain, France, Australia, New Zealand and India (WW2 Movies)


Where did WW2 start?


Either at the Polish garrison at Westerplatte, or at Danzig Post Office at 4.45/5.40 depending on the clock used. (Germany after WW2))




Book Recommendation

Richard Holmes

World War II: The Definitive Visual History

Very good book on the 2nd World War II, which provides comprehensive information about the events and chronology.


It gives an impressive overview of the causes, progress, and the most important events during this period (about 1200 stunning images). Important war aims and strategies are explained, and portrays of important personalities are included (as an example: Rommel and Churchill).


Not unimportant, the price is really low, in our view for such a good illustrated book.


For more information and an option to purchase at Amazon Click to the right.










WW2 Facts (with book recommendation):



WW2 Start

WW2 End

WW2 History

WW2 Summary

WW2 Timeline


WW2 Countries:


Germany WW2 

Russia WW2

WW2 America

England WW2

WW2 Japan



WW2 Facts-Dates:


When did WW2 Start

WW2 Weapons

WW2 Tanks

WW2 1945

U-Boats WW2

WW2 Aircraft


Spezial Topics:


Germany after WW2

WW2 Movies

WW2 Soldiers

World War 2 Casualties

World War 1 and 2