Puneet Varma (Editor)


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Year 1090 (MXC) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.



  • Béjaïa becomes the capital of the Hammadid Dynasty in Algeria.
  • Europe

  • Third expedition of the Almoravid army in al-Andalus destined to definitely subdue the taifas kingdoms. Córdoba, Seville, Grenada, Málaga, Almería and Ronda fall to the troops of Yusuf ibn Tashfin.
  • Arts and culture

  • Troubadours begin playing in Provence.
  • Science and technology

  • Song Dynasty Chinese author Qin Guan writes the Can Shu (Book of Sericulture), which describes a silk-reeling machine that has the world's oldest known mechanical belt drive.
  • Births

  • Saint Bernard of Clairvaux (d. 1153)
  • Eliezer ben Nathan of Mainz
  • Qin Hui, Chinese Song Dynasty Prime Minister (d. 1155)
  • Deaths

  • April 16 – Sikelgaita, duchess of Apulia (b. c. 1040)
  • June 26 – Jaromír, Bishop of Prague
  • July 3 – Egbert II, Margrave of Meissen (b. c. 1060)
  • October 6 – Saint Adalbero
  • References

    1090 Wikipedia