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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Why did the Germans fall behind the Americans in the development of the atomic bomb after an initial lead?

I actually know certain facts about this matter, but am seeking guidance in interpreting these facts into "theories." 1) Theory 1, Economic: The Americans spent something like $2 billion (in money of ...
5
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1answer
88 views

First eastbound transcontinental flight departed from…?

On Feb. 8th, 1912, the first eastbound US transcontinental flight landed in Jacksonville, FL. After several Google searches, I can't find anything that says where the flight departed from. So where ...
8
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1answer
681 views

How did the Falasha make contact with Jews outside Ethiopia?

I just read a book about an expedition to Ethiopia, The Last of Free Africa, published 1928. The author Gordon MacCreagh writes: An astounding fact which should be of absorbing interest to Jews ...
3
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3answers
209 views

Was it impossible for the Germans to arrange a plane to East Asia for Subhas Bose?

Bose's journey from Germany to Singapore by submarine was a well-remarked incident of World War II history. But what was the need for the Germans or the Italians to use a submarine to transfer a ...
11
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1answer
475 views

Which Japanese military officers helped Ho Chi Minh?

According to Wikipedia, in 1946 during negotiations between the French and Ho Chi Minh, One demand by the French was the return to French custody of a number of Japanese military officers (who had ...
8
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2answers
739 views

What were Chiang Kai-shek's biggest strategic blunders during the Second Sino-Japanese war?

Just as it is often said that Operation Barbarossa is Hitler's biggest strategic blunder (either the whole thing, its timing or execution), what were Chiang Kai-shek's biggest strategic blunders in ...
15
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2answers
174k 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.
9
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1answer
1k views

In WW2, which midget submarine program was the most successful?

In WW2, which midget submarine program was the most successful? I know at least Great Britain and Japan had midget submarines and used them during the course of the conflict. Which WW2 combatant had ...
9
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1answer
248 views

What is Poosball, an early 1900s women's team sport?

My girlfriend recently showed me a 1908 yearbook in which several women are marked as playing "Poos-ball" or "Poosball." An internet search for this reveals mostly misspellings of "Foosball," however, ...
5
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1answer
188 views

Pre-1950s views of West European Socialist parties on the welfare state

The eminent Robert Paxton writes in a recent article, somewhat in passing: Continental European Marxists opposed piecemeal welfare measures as likely to dilute worker militancy without changing ...
9
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1answer
866 views

Who was head of Academy of Fine Arts Vienna in 1907-1908

Do we know the names of people who would have made the decision not to admit Hitler in 1907 and 1908? Who was President of the Academy?
3
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1answer
306 views

History of the Changes and Developments in Types of Urban Renewal Projects

Urban renewal projects defined by Wikipedia as "a program of land redevelopment in areas of moderate to high density urban land use" started in the 19th century with two very different rationales. In ...
12
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2answers
1k views

Why does the map of Jordan look as it does?

Most countries land borders are somewhat rounded, and it's easy to guess why - it's eazy to defend a rounded shape, and it's hard to defend "bulges" because it can be easily surrounded and occupied. ...
8
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4answers
2k views

How common were horses at the beginning of the 20th century?

From the late 1800s to the early 1900s, in North America and Australia, how common were horses? Was it easy for every man or boy to own a decent riding horse, or were they relatively expensive and ...
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3answers
2k views
6
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2answers
253 views

Did Engels and Welles ever call for the extermination of Basques and Serbs?

Someone in some scribble in a matter-of-fact way made this assertion. Is it based on fact? Here's the original quote (in Russian) and its googletrans + my light fixing: Фридрих Энгельс упоминал о ...
11
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3answers
633 views

What was (if at all) Hitler's Plan B if Molotov-Ribbentrop had not worked out?

As we know, Nazi Germany and the Soviet Union amicably agreed to attack Poland and to share it between themselves. Did Hitler and his staff have a detailed or formal contingency plan in case the ...
4
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1answer
139 views

Where can I find more information about this use of Yakuza against a demonstration in 1960?

This (german) article states that in 1960 Japan's President Nobosuke Kishi hired 28000 Yakuza as thugs against an anti-American demonstration. I find nothing indicating this in the wikipedia article ...
12
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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.
9
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1answer
1k views

How were diplomats and their staff's treated when World War II was declared?

This could be a large and varied subject so i will restrict it to the 20th century and give two instances. In Sept 39 after Poland was invaded the British diplomat in Berlin handed a note to the ...
17
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2answers
537 views

How many different countries could a person alive today have lived in without leaving their hometown?

For example, a centenarian who has spent her entire life in Rijeka would have lived in five: The Austro-Hungarian Empire (until 1920) The Free State of Fiume (1920-1924) Italy (1924-1947) Yugoslavia ...
3
votes
1answer
56 views

Where Can I Find Historical Candidate Photos of U.S. Elections (both winners and losers)? [closed]

I am looking to do a research project involving photos of United States political candidates (probably gubernatorial, but potentially Senate and/or Congressional). I would like photos from the 1920s ...
4
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2answers
371 views

Symbol on utility pole in photograph from 1906

I happened to notice this symbol: on a utility pole in a photograph from 1906. What's the meaning of that symbol?
8
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4answers
642 views

Chronology of Political Party Alignment with “Left” and “Right”

I once heard it said that U.S. political parties (Republicans and Democrats) have both spent the last century becoming increasingly liberal, such that 21st century Republicans now hold the same ...
11
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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 ...
19
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3answers
2k 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 ...
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3answers
1k views

Why were the British so reluctant to allow Jewish migration to Palestine?

Not sure this is the correct forum to ask this, but i'm currently reading 'Exodus' by Leon Uris, and i'm curious as to why the British were so reluctant in letting jewish people in Palestine. This ...
2
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1answer
329 views

What was Wilson's mistake in the 1918 Congressional election?

Keynes writes in The Economic Consequences of the Peace that The President's mistaken policy over the Congressional election had weakened his personal position in his own country, and it was by ...
1
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2answers
215 views

Nicknames of M36 Gun Motor Carriage

During World War 2 and Korean War United States Army used tank destroyer M36 (90mm Gun Motor Carriage M36). British soldiers gave one of nicknames to it, "Jackson", after general Thomas Jonathan ...
3
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3answers
159 views

Smoking as a throat cure

In the movie The King's Speech Prince Bertie at some point says his doctors had advised him to smoke, in order to improve his throat's condition. Does this stupid suggestion represent actual medical ...
4
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2answers
130 views

What percentage of relocated Armenians died?

What percentage of those forced to relocate actually died as a result of the relocation?
7
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1answer
156 views

Is taking away decorations of traitors a normal modus operandi?

In the USSR, people convicted of treason were routinely stripped of their State decorations, even when they were honestly earned before the treason (e.g., Власов, Добробабин, Берия). The sentence also ...
1
vote
2answers
200 views

What were the reasons for the Federal Art Project?

From August 29, 1935, until June 30, 1943 United States promote what they called Federal Art Project. Reputed to have created more than 200,000 separate works, FAP artists created posters, ...
12
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2answers
5k 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?
2
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1answer
249 views

Would modern aerodynamic design be recognizable to a vehicle expert 100 years ago?

Which is a stronger constraint on vehicle appearance: aerodynamic theory or manufacturing? If we gave Henry Ford a peek at our modern cars, would he fail to recognize it as a car? Or would it his ...
4
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1answer
207 views

Who was Charles Kingston O'Mahony?

I've read his book The Viceroys of Ireland and am trying to find out more about him. The book was published in 1912 and I can't find any more information about him. I was able to dig up references to ...
15
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5answers
2k views

Can someone help explain this floor plan of a mid 20th century apartment?

I was watching 12 Angry Men, which was made in 1957; and they show this floor plan of an apartment: My main question is, what's the opening in the wall between the hallway and the main room? It ...
6
votes
13answers
5k views

What is the oldest movie theater in the US that has been in continuous use as a movie theater?

It appears from Wikipedia that the oldest theater in continuous use is in Denmark, but since so much of the film industry is dominated by Hollywood, I was wondering what is the oldest movie theater in ...
5
votes
1answer
204 views

Is there support for the theory that the 1918 influenza resulted from churning up microbe-laden French soil?

Margaret MacMillan's The War That Ended Peace: The Road to 1914 contains the following: In the first years of the peace, fresh afflictions fell on European society: the influenza epidemic ...
6
votes
1answer
242 views

What was the Nature of Resistance in 1938 Czechoslovakia?

I wonder if someone might help me. I'm writing a novel. My protagonist is a dual national (English born, German parents) bio chemist contracted to work for Freiburg University 1938. At the time ...
6
votes
1answer
315 views

To what extent did the CPC avoid fighting with the Japanese?

There's general agreement that the Japanese invasion of China benefited the CPC by interrupting the civil war, forcing the KMT to fight the Japanese instead of continuing the CPC purge, which they ...
-5
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3answers
1k views

Did Gorbachev say that his intention was to destroy Communism?

As I remember the 1980s and the Perestroika epoch, the reforms were advertised to the people as "return to Leninist principles", even deeper implementation of Socialism. The posters claimed it was ...
6
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1answer
109 views
11
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3answers
2k views

Why were there more Muslims in East Bengal than in West Bengal

When India and Pakistan were partitioned, Muslims were in a majority in east Bengal whereas Hindus were in a majority in west Bengal. What is the historical reason behind this demographic statistic?
3
votes
1answer
91 views

When was first security screen door instaled in Seoul metro

My task is to document Seouls metro history. However, I'm from Czech Republic which limits selection of sites I can get data from. (I don't speak Korean, and google translate usually fails). Also, ...
12
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2answers
1k views

Did Japan ever pay Russia war reparations after WW2? Why or why not?

Russia had the largest number of casualties during WW2, and Russia had taken many Japanese prisoners. So, why didn't Russia receive a reparation from Japan to help boost Russia's economy after the ...
5
votes
1answer
98 views

When was the british rail strike when the workers fought by following the regulations?

I once heard about a strike in british railways. The workers decided to follow strictly the law regulations and that created chaos and that's how they proved the law was wrong. I can't find any ...
9
votes
4answers
707 views

What is this strange uniform?

Colonel John Tiltman wears a very strange uniform in this picture, dated 1919. The original webpage where I saw the picture is http://www.colossus-computer.com/colossus1.html.
8
votes
2answers
577 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 ...
0
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1answer
405 views

Who is this person on the picture? [closed]

I don't have more information, I'm sorry.