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There is an internal contradiction in this article. In one place, his journey in Russia is described as taking 25 weeks, a few paragraphs later it is described as taking 8 months. Both can't be true-- 25 weeks is a little less than 6 months-- 8 months is 35 weeks.
The two accounts agree on the distance travelled though-- one says 15,472 km, and the other 15,500 km. So, they are obviously both referring to the same journey. I don't think the difference in the two distances is of any importance-- the second is simply rounded, whcih seems completely acceptable, but the differences in duration seems clearly wrong, but I have no idea which one is correct. DlronW (talk) 21:28, 20 November 2023 (UTC)[reply]
Both are correct ! It depends on what you may call "Russian journey". Humboldt started in Berlin on 12 April 1829, 11 p.m. and arrived at Saint Petersburg on 1 May 1829. He left the capital starting his actual expedition on 20 May 1829, 11 a.m., and returned in Saint Petersburg on 13 November 3 p.m. This gives precisely 25 weeks and 2 days, or about 6 months. Humboldt arrived in Berlin on 28 December 1829 at 11 p.m., so the whole journey lasted 32 weeks and 6 days (minus 1 hour), that's about 8 and a half month. The dates are from the publication:
Biermann, Kurt; Jahn, Ilse; Lange, Fritz G. (1983). Alexander von Humboldt. Chronologische Übersicht über wichtige Daten seines Lebens [Chronological table on important data of his life]. Berlin: Akademie-Verlag.
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This article was the subject of a Wiki Education Foundation-supported course assignment, between 18 January 2021 and 27 April 2021. Further details are available on the course page. Student editor(s): Brennan24. Peer reviewers: Jvstinjvnes, AFS4267.