For questions spanning a significant proportion of the 20th century. Questions focused on the latter decades should consider using the contemporary-histroy tag. Individual tags exist for specific decades.

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20
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5answers
2k views

What were Hitler's religious beliefs?

Hitler is often cited as an example of an evil atheist (along with Stalin and Mao). But there are several quotes from him that seem to indicate he believed in the Christian God - and even used this to ...
15
votes
3answers
863 views

In what ways did the rise of a true middle class in Europe during the late 19th century become apparent?

The late 19th and early 20th centuries were very transformative for Europe with the rise of a real middle class. Typically before this the middle class was more of a bourgeoisie and not the middle ...
8
votes
2answers
478 views

What are the scholarly opinions on the idea of the “European Civil War”?

On Wikipedia, I ran into an article talking about World War I to World War II and some of the adjacent wars before WWI as being a "European Civil War" or a "Second Thirty Years War". What is the ...
23
votes
9answers
6k views

Why wasn't the Republic of Ireland invaded (by either side) in WW2?

Ireland was neutral in WW2, however it was never invaded (by either side). How come? Why wasn't Ireland invaded by the UK to prevent the Germans invading? Why didn't germany invade ireland? It would ...
2
votes
0answers
136 views

Were Pope John Paul I's views anything that could imply a support for contraception? [closed]

Pope John Paul I was a short lived pope (only 33 days). There are rumours that he was assasinated. Someone told me that he was quite liberal (as catholic popes can go), and some of his ...
45
votes
3answers
9k views

How did Israel win the Six-Day War?

Considering Israel fought several Arab countries, which had troops largely outnumbering the Israeli, how did they manage to win the war decisively, with much fewer casualties than the Arab countries? ...
13
votes
1answer
284 views

What set Checkpoint Charlie apart from the other border checkpoints in Berlin during the Cold War?

How did "Checkpoint Charlie" become known as the border crossing between East and West Berlin? Out of the countless border checkpoints, what set Checkpoint Charlie apart from the rest for defectors?
5
votes
1answer
137 views

Is there any evidence of Edward VIII trying to influence the UK Government?

Edward VIII was King of the UK, however he abdicated because he wanted to marry a divorced woman. Someone told me that the "real reason" was that he was trying to influence the UK government and/or ...
22
votes
4answers
3k views

Why didn't Moldova unite with Romania?

Towards the collapse of the USSR, nationalism rose in Moldova. Nationalists proclaimed the linguistic and ethnic identity between Moldovans and Romanians. It seems that they strove toward unification ...
7
votes
1answer
253 views

Was it worthwhile for Britain to side with the USA in the Canada-Alaska border dispute?

In 1903 the Canada-Alaska border dispute was decided by a tribunal of 3 American members, 2 Canadian members, and 1 British member. The British member sided with the Americans with the stated goal of ...
29
votes
6answers
2k views

When did the practice of formally “declaring war” cease and why?

Here's a detailed description of ambassador Neville Henderson being received by the foreign ministry in Berlin in 1939. Perhaps the most famous example. He came in looking very serious, shook ...
8
votes
4answers
491 views

Did the USA win the counter insurgency war in the Vietnam war?

What happened in the aftermath of the Tet offensive to the Viet Cong? Was it actually broken or did it just incorporate into the North Viet Nam army? Edit: I am fully aware that the USA lost the ...
29
votes
5answers
3k views

Has Britain's 1940 invasion of Iceland been downplayed by historians?

On the face of it Operation Fork (Britain's invasion of Iceland in 1940) wasn't so terribly different from Germany's territorial landgrabs in 1939 and 1940. Britain and her allies will have ...
16
votes
1answer
1k views

What is this military patch with the silhouette of a pegasus on it?

I found this patch among my grandfather's things. I know it's a military patch of some sort because it was with his war memorabilia. He served in the European theater during WWII, if that helps at ...
23
votes
6answers
36k views

Why did Italy abandon its alliance with Germany in WW1 and join the Allied side?

Before WW1 Italy was part of an alliance with Germany and Austria-Hungary, yet it didn't join them when the war started and it even joined the Allied side later during the war. Why did Italy do this? ...
13
votes
5answers
871 views

Why were there civil wars in Croatia and Bosnia, but not in Slovenia or Macedonia?

It seems that during the breakup of Yugoslavia there were civil wars during speakers of the (then officially) same language - Serbs, Croats and Bosniaks, but not, e.g., between Serbs and Slovenians. ...
6
votes
2answers
222 views

How besieged was Leningrad after Operation Iskra?

Wikipedia's timeline for the siege of Leningrad is a little puzzling. It has: 12–30 January 1943: Operation Iskra penetrates the siege by opening a land corridor along the coast of Lake Ladoga into ...
11
votes
5answers
1k views

What new technology/tactics allowed the breakthrough of the trenches in WW I western front?

Reading the answers to this question about WW1 Western Front, it appears that breaking through the trenches was a very difficult task to do. How did the Allies finally make it? Was it the invention of ...
12
votes
2answers
4k views

Why was the Cuban Revolution (1953-1959) ultimately successful?

Communist revolutions have been attempted across the world - what were the primary reasons that the Cuban Revolution succeeded while others failed?
98
votes
28answers
38k views

Why did Hitler attack the Soviet Union when he was still busy fighting the United Kingdom?

This has always bothered me. Everyone knows that having to fight on two opposite fronts at once is bad... and it's also a well known fact that every European country which tried to invade Russia has ...
10
votes
4answers
682 views

Why was the Irish War of Independence in 1918 successful when other revolts failed?

In a nutshell, what events, occurrences, or mishaps took place that allowed the Irish to win the war of Independence over what could arguably be the most powerful nation of the time, when they were ...
37
votes
10answers
8k views

Why did Hitler declare war on the USA?

Since there had not been any offensives launched by either side against the other, why declare war just because Japan had attacked the USA?
15
votes
3answers
1k views

Why was the Western Front so static in World War I?

Once the German advance was halted, neither side could seriously advance for two years. This seems like an extraordinarily long time. Why didn't anyone succeed at going around the trenches or striking ...
14
votes
1answer
302 views

Did President Kennedy really cut 100,000 government jobs during his presidency?

In Michel Crozier's book, La crise de l'intelligence, he states that during John F. Kennedy's presidency about 100,000 government jobs were terminated. Is this figure accurate? Where can I find any ...
8
votes
4answers
5k views

Where was the pre-war (ww2) border between Poland and Germany?

I am interested in mapping the pre-war (WWII) border between Poland and Germany. Is there any data available in a public resource? Can anyone describe waypoints along the border in terms of modern ...
60
votes
12answers
16k views

Why didn't Imperial Japan attack the Soviet Union during World War 2?

Japan and the Soviet Union shared a common border in Manchuria and the German invasion of the Soviet Union weakened the Soviets greatly. In view of the advantages to Japan in seeing the Soviet Union ...
11
votes
2answers
128k views

How many troops died on D-day?

How many troops (allied and axis) died at Normandy beach on June 6th, 1944? I've searched all over the internet, but can't find an accurate number.
29
votes
7answers
6k views

Why did Chamberlain act to appease Hitler leading up to the outbreak of World War 2?

There are accounts that British Prime Minister Chamberlain sought to appease Hitler because he just didn't want Britain involved in a war at that time. Others also argue that Chamberlain was naive and ...
11
votes
1answer
3k views

German Government branches during World War 2

During World War 2, what government branches, if any, existed in Germany? I've always heard about the Third Reich and Hitler, but I never heard about the rest of the government.
15
votes
1answer
429 views

How do Friedman and Bernanke's explanations about the causes of the Great Depression compare?

I know that both Friedman and Bernanke wrote papers (or books, in Friedman's case) about the cause of the Great Depression. How do their points of view compare and contrast?
17
votes
1answer
314 views

Who, if any, in JFK's inner circle argued against the plans for the Bay of Pigs invasion?

Political discussions leading up to the Bay of Pigs invasion are a notorious example of 'groupthink' and the failure of a committee in coming to a well-informed decision. Accounts of the ...
11
votes
3answers
943 views

What factors related to the Eastern Crisis contributed to the outbreak of World War 1?

What factors related to the Eastern Crisis contributed to the outbreak of World War 1? The Eastern Crisis pertains to problems posed by the decay of the Ottoman Empire. Primary among these problems ...