411 REFERENCE · Wikipedia
1020s
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
Decade
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The 1020s was a decade of the Julian Calendar which began on January 1, 1020, and ended on December 31, 1029.
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Significant people
Al-Qadir caliph of Baghdad
Al-Hakim bi-Amr Allah caliph of Cairo
Henry I of France
Avicenna
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References