The 20th century began on January 1, 1901, and ended on December 31, 2000.

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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 ...
32
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9answers
5k 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
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3answers
818 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 ...
11
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1answer
222 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 ...
9
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4answers
3k 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 ...
54
votes
10answers
9k 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 ...
12
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2answers
79k 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.
28
votes
7answers
4k 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 ...
10
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1answer
2k 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.
14
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1answer
396 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
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1answer
267 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
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3answers
549 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 ...