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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6
votes
1answer
244 views

In Montgomery, Alabama, how common was it to be arrested for sitting in the incorrect section of the bus?

Rosa Parks' arrest, which led to the Montgomery Bus Boycott, is the most famous case, while Claudette Colvin is often listed as the first. (Sometimes she is listed as first, other times as the first ...
8
votes
2answers
367 views

Why didn't Stalin use force to bring Tito into line?

In 1956 and 1968, the Soviets invaded Eastern European countries because they had deviated from Moscow's model. Why didn't they do this to Tito? His independent inclinations are usually explained by ...
9
votes
1answer
155 views

Did Radio Free Europe say that the Allies would come to the rescue during the Hungarian Revolution?

I found this video (in Spanish) where a woman claims that Radio Free Europe encouraged the Hungarians to resist, and that aid was on its way. Is this true? Is there any evidence? And if it is true, ...
10
votes
2answers
1k views

Did Goebbels realize that his wife used to know Arlozorov?

One of the versions for Arlozorov's 1933 murder (not solved to this day!) is that it had something to do with his early friendship with Magda Goebbels. This is what wikipedia says, soberly hedging its ...
15
votes
1answer
311 views

What were the key factors to the fall of domestic socialism in the USA?

During the late 1800s, and early 1900s the United States saw the rise of trade union membership, the coming and going of the populist party, and watched the progressive era come to institute reforms ...
7
votes
1answer
443 views

Who was in charge of the Barysaw massacre (20 October 1941)?

I'm looking for information about the Barysaw Massacre of 20 October 1941. Who performed it and who was in charge of this operation?
15
votes
4answers
12k views

Did Hitler really support Subhash Chandra Bose's cause and did he do anything to help Bose?

Bose had come to realize that Gandhi's doctrine of non-violence was not doing much in forcing the British to retreat. He went to Germany to seek Hitler's assistance in India's struggle for freedom. ...
27
votes
4answers
24k views

Why didn't the US choose to demolish Tokyo with an atom bomb?

Tokyo was Japan's capital. Why didn't the US choose Tokyo to demolish with Atom Bomb? Bonus Question: What factors decided to bring Hiroshima and Nagasaki on table?
0
votes
1answer
123 views

Was smoking allowed aboard hydrogen-filled zeppelins?

The question is self explanatory: Were passengers aboard rigid airships filled with hydrogen, like the Hindenburg, allowed to smoke?
6
votes
1answer
127 views

Other examples of Enclave created for protection of a Mixed Race

McCluskieganj/McCluskiegunj was a town created out of several villages to secure a place for Anglo-Indians. Disambiguation: By Anglo-Indians I mean it in the way it has been used since the Indian ...
13
votes
1answer
1k views

How much oil was spilled by the naval combatants during WW2?

The war at sea took a huge toll during WW2. Has there been an official estimate of how much oil was spilled into the oceans during the world wide conflict?
10
votes
2answers
391 views

Did the German authorities respell Polish names to be more German during the time of the Empire?

How were Polish names handled by Prussian and German authorities during the times of the German empire? It is well known there was intense Germanisation throughout the area, for example all location ...
12
votes
0answers
236 views

How many firearms were owned by civilian population between 1836 and 1912 in USA?

How many firearms in total were owned by civilian population between 1836 and 1912 in USA (cumulatively, not simultaneously)? The timeframe is what I would consider "Old West" timeframe, but starting ...
2
votes
2answers
211 views

What was the general attitude of people in states without anti-miscegenation laws toward interracial marriage?

Can we say that interracial relationships were somehow tolerated in states that had not passed any anti-miscegenation laws?
5
votes
1answer
161 views

When penicillin was initially introduced, was it effective against all gram positives?

I'm trying to investigate the history of resistance. Just how good was penicillin when it first emerged? Were there any gram positives it couldn't get?
12
votes
4answers
1k views

Did Hitler make the right decision for Germany when he called off Operation Zitadelle (during the Battle of Kursk)?

On the night of 9/10 July, the Western Allies mounted an amphibious invasion of Sicily. Three days later, Hitler summoned Günther von Kluge and Erich von Manstein to his Wolfsschanze headquarters ...
2
votes
3answers
429 views

Was “Blitzkrieg” at least partly intended for trapping the Jews?

I encountered a point of view that the German tactic of "Blitzkrieg", besides purely military purpose to achieve victory as quick as possible, was in fact designed to trap the Jews so that they could ...
1
vote
0answers
90 views

Why did Puerto Rican families send their children to New York?

I'm currently reading Run Baby Run, an autobiography by Nicky Cruz. Mr Cruz is a former New York City gang leader who became a Christian minister. In the first chapter, in which he describes how he ...
10
votes
1answer
912 views

What was Poland's involvement in Vietnam War?

So far I've found a few stories about Poland's involvement in Vietnam War: historycy.org (in Polish) Operation Marigold Multinational UN peacekeeping force International Commission of Control and ...
10
votes
3answers
949 views

When passports/border checks became widespread?

I was reading the Wikipedia on passports, and there were numerous important dates in passport history, but I didn't find any date when passports became widely used documents for travelling. I see ...
7
votes
1answer
436 views

Cover Art of “Álbum de la Revolución Cubana”

On the cover of the famous "Álbum de la Revolución Cubana": Who is the person whose face is painted in the top-right corner? What is his importance? Is the cover (where we see Fidel Castro actively ...
3
votes
2answers
1k views

Why would staff officers carry swords during combat, in World War II?

I realise one purpose as ceremonial, as depicted in Lieutenant General Hatazō Adachi's surrender (eg this picture), but when Isoroku Yamamoto was killed, his white-gloved hand [was still] ...
18
votes
13answers
16k views

What was the ratio of German to Soviet losses on eastern front during different stages of the war?

I've read somewhere that the ratio of Soviet to German casualties on the eastern front was 1.4 for the whole war. But what about data for different stages of the war? (this ratio wasn't constant after ...
25
votes
6answers
57k 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? ...
5
votes
2answers
570 views

What does a slitterman do?

On my Great-Uncle's Naval Entry Form, it says: Occupation upon entry: Slitterman (paper) I found this article, which says a slitterman is: A representative for the Travellers Aid Society ...
21
votes
5answers
840 views

What were the reasons for making Prohibition a constitutional amendment?

What were the reasons that the Prohibition in the United States was passed as a constitutional amendment, rather than a normal federal law, or a set of state laws?
5
votes
1answer
284 views

How big was the percentage of white people in the USA who were not against granting the blacks equal rights? [closed]

How big was the percentage of white people in the USA who were not against granting the blacks equal rights at the time when the blacks finally got the equality of rights (which I think was in 1964). ...
20
votes
5answers
4k views

How common was smoking in first half of the 20th century?

When watching movies that were made in first half of the 20th century, one can see many people are smoking (cigarettes), but it is not they smoke all time long. I refer to the movies, because they ...
1
vote
2answers
103 views

Did the University of California and University of Geneva award honorary degrees to Inazo Nitobe?

According to Inazo Nitobe (author of "Bushido: The Soul of Japan") timelines written in Japanese, he was awarded honorary degrees from "University of California" (Kariforunia Daigaku, カリフォルニア大学) in ...
10
votes
4answers
709 views

How to validate a historical source

You can learn and understand history various ways such as learning in a university, reading books, being taught by someone with a background in history, watching TV, browsing the internet, or, in my ...
8
votes
4answers
4k views

Before entering WW II, why was the US so against Japanese aggression in China but did nothing about Germany in Europe?

The US was very vocal against Japanese aggression in China in the 1930's and early 1940's but said nothing against German aggression in Europe. The US finally placed an embargo on sending oil and ...
7
votes
2answers
2k views

What is the significance of “Flappers” in American history?

The Flapper image of the 1920's American history of cosmetics seems to transform the cultural image of the feminine. However, I cannot piece together exactly how this change came about. I read about ...
4
votes
1answer
305 views

What were common reasons people attended executions in mid 1930s.?

In The Green Mile movie (1999) the main character is a guardian in jail and performs death penalty executions. One can see that on such executions some external people come to watch (as "external" I ...
2
votes
2answers
641 views

Why weren't Baden, Würtemberg and Bavaria independent states ever restored? [closed]

The southern german states of Baden, Würtemberg and Bavaria were independent states until 1871. Their historical background is quite different from the northern Germany which was dominated by Prussia ...
4
votes
1answer
4k views

Machine gun specs in WW1 [closed]

I know that machine guns were a vital part of world war 1. I know that they were mainly used in the trenches as fixed position weapons. However, I would like some specifications about the machine gun ...
12
votes
3answers
3k views

What percentage of British and American troops were involved in direct combat with enemy in World War II

How large a proportion of British and American troops were involved in direct combat with the enemy in World War II? What was the casualty rate among those men?
4
votes
1answer
289 views

Usage of German camoflage during World War II

Although most do not know this, Germans used camouflage during the war. The grey uniform was only ceremonial. However, they are pictured without the camo 99% of the time so I'd like to ask, during ...
5
votes
4answers
619 views

Why did Zhang Xueliang and Yang Hucheng receive different punishments for their role in the Xi'an Incident?

Having failed to persuade Chiang Kai-shek to abandon war with the communists and instead unite to fight Japan, Zhang Xueliang and Yang Hucheng finally opted for force and captured Chiang in the Xi'an ...
6
votes
1answer
249 views

What is / are the specific reason(s) for Vyacheslav Molotov's fall from grace with Joseph Stalin?

From the 1930's through World War 2, Vyacheslav Molotov seemed to be the face of the Soviet Union in most diplomatic circles. Sometime after the war he lost favor with Stalin. Some reports say to the ...
10
votes
2answers
239 views

Did Trotsky serve as a hate-figure in PRC propaganda?

Maoism and Trotskyism share some similar ideas (by Maoism I am referring specifically to the guiding philosophies of the PRC during Mao's rule, and by Trotskyism I mean the beliefs of Trotsky, not ...
7
votes
1answer
154 views

What did Central America export in the early 20th century other than coffee and bananas?

Coffee and bananas dominated the Central American economy after the turn of the century, accounting for 75% of the region's exports in 1930. Central America became very dependent on the fortune of ...
1
vote
1answer
901 views

What effect did the Mafia have during World War 2?

I have heard that the Mafia cooperated with different governments in WW2. How extensive was this cooperation and was it effective?
8
votes
3answers
3k views

GDP per capita of major combatants before and after WWII?

Perhaps this is difficult to measure and maybe not even a good metric for anything meaningful, but what was the GDP and GDP per capita for nations around the world immediately before World War II? ...
5
votes
1answer
805 views

Income distribution of major combatants before and after WWII?

This question about GDP per capita of major combatants before and after WWI made me wonder how these GDPs were distributed. Do we know the Gini coefficient (or a similiar metric) for the major ...
3
votes
0answers
183 views

What preparations went into the Tehran Conference of 1943?

The Tehran Conference during World War 2 was a hugely important meeting, and perhaps more importantly, a hugely dangerous proposition. Having all those leaders together in one place risked utter ...
12
votes
1answer
2k views

How was titanium transported from Soviet Union to Area 51 for Oxcart?

Oxcart was one of its kind, a sophisticated aircraft designed during the Cold-War era. Its body was made up of titanium. Titanium was only found in substantial quantities in the then Soviet Union. The ...
2
votes
4answers
2k views

Why did the Government of India Act create separate electorates for the depressed classes?

The Communal Award, in 1932, conceded to the demands of B.R. Ambedkar and the ilk to have separate electorates for depressed classes. But Gandhji held fast unto death to undo this. So, Poona Pact ...
33
votes
5answers
4k 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 ...
14
votes
2answers
1k views

What are those X in top of the flag?

Well, I was wondering. What are those crosses in the top of the flag when we visualize military battleplans? For instance, take a look in a map of the Battle for El Alamein: The Free French ...
0
votes
1answer
272 views

Who inherited from the pre- World War II German states?

The German states (aka Länder) have been completely reshaped after WWII and I wonder: Which current German states inherited laws and state-owned property from the former pre-WWII states? In states ...