DrZ214
  • Member for 6 years, 6 months
  • Last seen this week
1 answers
8 votes
527 views
3 bookmarks
Are there any archeological finds or primary source drawings of the Chinese "blade shaped" bamboo-copter or rotary fans?
0 answers
3 votes
171 views
Along side Roman roads, where did the drainage ditches lead?
3 answers
10 votes
4k views
2 bookmarks
How dependent was Nazi Germany on iron ore from Sweden?
3 answers
6 votes
2k views
1 bookmarks
How was silver/gold mining done in colonial Americas?
3 answers
5 votes
205 views
In WW2 USN ships, what was the weight of a typical boiler?
3 answers
5 votes
838 views
1 bookmarks
During WW2, why did the USA occupy Clipperton Island?
5 answers
31 votes
9k views
1 bookmarks
Given their reputation for fighting to the last man in the Pacific, why did 700,000 Japanese troops surrender in Manchuria?
3 answers
3 votes
715 views
1 bookmarks
Why did the Soviet–Japanese Neutrality Pact take 2 years to sign after the Battle of Khalkin Gol?
1 answers
5 votes
573 views
Do we have any authentic Native American flute music from the 18th century or earlier?
3 answers
4 votes
437 views
2 bookmarks
Did the Soviet Union investigate greenhouses in the early 1920's?
3 answers
48 votes
9k views
4 bookmarks
When did FDR announce he was running a 3rd time, and was there any outrage?
8 answers
21 votes
5k views
4 bookmarks
Why was Franklin D. Roosevelt pro-intervention?
2 answers
4 votes
613 views
Did the Netherlands join the anti-Japanese oil embargo later than US? If so why?
3 answers
10 votes
3k views
3 bookmarks
Did a German plane really land in Moscow in 1941 May?
5 answers
36 votes
10k views
1 bookmarks
Did a kamikaze ever impact the hull of a ship, as opposed to the deck?
6 answers
15 votes
4k views
When and how did the West lose its dependency on the USSR for Titanium?
2 answers
3 votes
1k views
Before WW2, how did Japan pay for imported US oil?
2 answers
11 votes
10k views
1 bookmarks
Why weren't the Faroe Islands ever conquered by Britain?
9 answers
61 votes
23k views
9 bookmarks
Why are so many metros underground? Isn't that more expensive than an elevated system?
6 answers
116 votes
20k views
30 bookmarks
Did China ever consider a phonetic writing system?
2 answers
12 votes
2k views
At the time of Sputnik, what kind of radios were common in the Soviet Union?
2 answers
22 votes
4k views
2 bookmarks
Why did Napoleon march to Moscow instead of Saint Petersburg?
2 answers
4 votes
916 views
Right before D-Day, how were naval mines cleared secretly?
4 answers
60 votes
12k views
14 bookmarks
Why did Columbus cross the mid-Atlantic instead of exploring from Greenland?
3 answers
6 votes
3k views
1 bookmarks
How did Japan successfully conquer Vietnam (Southeast Asia) in WW2?
2 answers
13 votes
1k views
4 bookmarks
In the 18th c., did/would China accept gold from Europe as trade payment? Why / why not?
7 answers
91 votes
28k views
18 bookmarks
Why didn't Germany blockade the Strait of Gibraltar during WW2?
2 answers
45 votes
7k views
6 bookmarks
In the Soviet Union, why was the Cheka renamed so many times?
4 answers
5 votes
728 views
What kind of heating did Moscow have in the early Soviet Union (1917 - 1930)?
1 answers
4 votes
262 views
Did Moscow have natural gas in the early era of the Soviet Union (1917 - 1930)?
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