1
vote
6answers
189 views

What other pairs of wars have had a ~25 year interval?

The I and II world wars are 25 years apart, which is within the length of one generation. This is interesting, because it creates a premise for an entire part of a generation to be both without ...
10
votes
3answers
2k views

Why was Switzerland not attacked during the two World Wars?

Why in WW1 or WW2 or ever nobody invaded Switzerland? All other countries was in some wars. How Switzerland do it and should we learn from them? I hear that many people with power have money in swiss ...
11
votes
2answers
297 views

Amount of time an aeroplane could stay in the air during the last stages of WW1

I know for a fact that aeroplanes were used at the last stages of the first world war to capture images of the enemy trench system and supply lines. They were also used to alert the artillery how far ...
7
votes
3answers
1k views

Did either of the World Wars involve South or Central America?

Were any South or Central American nations besides Brazil involved (not necessarily officially) in either of the World Wars? If any were, I'd appreciate information on their degree of involvement.
5
votes
2answers
106 views

Where can I find financial data for the first world war? [closed]

I want to analyse the first world war on the financial aspect. Here are some of my questions. Which countries borrowed money to win the war? Where were weapons manufactured? Where can I get ...
9
votes
2answers
991 views

WWI trench tactics using shields?

Are there any records of WWI trench tactics involving shield formations similar to the example below of the ancient Testudo formation? . I imagine that it could have been successful if used to get ...