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September 26, 2018
June 24, 2016
February 2, 2016
January 12, 2016
no edit summary
m+1,167
no edit summary
m+9
no edit summary
m+589
Added some info and split into sections, but it's still a bit choppy.
+945
Restore. The original article is cited.
+1,540
January 5, 2016
no edit summary
+104
I apologize. The article is too close to Britannica. I did not read the Guide concerning copying from other sources carefully. .
-1,644