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  1. Why does the first decade of the 21st century start with 2000?

    Jul 20, 2018 · The years in a Decade are numbered 1 to 10 (and not numbered from 0 to 9.) So the first decade of the 21st century contains years 2001, 2002, 2003, 2004, 2005, 2006, 2007, …

  2. social history - When did the popular idea begin that the 21st …

    Jan 2, 2022 · The first day of the 19th century is recorded as having been celebrated on 1st January 1801, and the first day of the 20th century on 1st January 1901, which shows that a …

  3. When and where arose the first civilization? - History Stack Exchange

    Sep 23, 2016 · The Indus Valley Civilization was probably 3rd, starting around 2600 BC. China started writing at roughly 1500 BC, and the Olmec Civilization in Central America also goes …

  4. The Chronology Challenge: earliest verifiable date of a historical ...

    By a verifiable date, I mean one where we can show absolutely the passage in time by days to the present day. For example, if the ascension of Harold occurred on January 16, 1066, and today …

  5. Rules to correctly write an ancient Roman date

    If you just want to write a date on or after 15 October 1582 in Latin, using the same wording as in ancient Rome, all well and good. But Gregorian dates are seldom used before that calendar …

  6. Who is the earliest recorded person? - History Stack Exchange

    Jun 19, 2012 · 2 Imhotep, is the first "artist" whose name is recorded. He built the first pyramid during the Third Dynasty for King Djoser. Before that however, there were kings, gods and …

  7. Who was the first Pope? - History Stack Exchange

    Oct 29, 2015 · The first title to be used for "pope" properly was the Latin Pontifex Maximus, which was originally the title for the chief of the College of Priests (Collegium Pontificum), sort of …

  8. Why does the US use MM/DD/YY? - History Stack Exchange

    May 17, 2016 · Actually, my answer there was exclusively on the date system. If I were to answer this question, it would be a substantially identical answer.

  9. When did steel first appear? - History Stack Exchange

    When in history do we first have record of steel being used as a material? I am also interested in both its initial purpose and when it was first used in weapon making.

  10. When did Spain first come to exist as a country called Spain …

    Apr 25, 2021 · But no date is given. When did the country of "Spain", supposedly united into one entity with the name Spain (España) come into existence? Was there a specific date or was it …