On This Day

Possible date for establishment of the Iroquois (Haudenosaunee) League [disputed date - other research places date betwe

Possible date for establishment of the Iroquois (Haudenosaunee) League [disputed date - other research places date between 1450 and 1660]

Possible date for establishment of the Iroquois (Haudenosaunee) League [disputed date - other research places date between 1450 and 1660]

Events Before

  1. Godfried II the Young becomes Duke of Brabant

    Godfried II the Young becomes Duke of Brabant

  2. French scholar Peter Abelard is found guilty of heresy

    French scholar Peter Abelard is found guilty of heresy

  3. Hartbert becomes bishop of Utrecht

    Hartbert becomes bishop of Utrecht

  4. Battle of Lincoln: English King Stephen captured by forces loyal to Empress Matilda and commanded by Robert, 1st Earl of

    Battle of Lincoln: English King Stephen captured by forces loyal to Empress Matilda and commanded by Robert, 1st Earl of Gloucester

  5. Battle of Qatwan [Samarkand]: Seljuqs are defeated by a Kara-Khitan army, signaling the beginning of the end of the Grea

    Battle of Qatwan [Samarkand]: Seljuqs are defeated by a Kara-Khitan army, signaling the beginning of the end of the Great Seljuk Empire

Events After

  1. Cardinal Guido elected Pope Coelestinus II

    Cardinal Guido elected Pope Coelestinus II

  2. King Alfonso VII of Leon recognises Portugal as a Kingdom

    Alfonso VII (1 March 1105 – 21 August 1157), called the Emperor (el Emperador), became the King of Galicia in 1111 and King of León and Castile in 1126.

  3. Gherardo Caccianemici is elected Pope Lucius II, succeeding Celestine II

    Pope Lucius II (died 15 February 1145), born Gherardo Caccianemici dal Orso, was head of the Catholic Church and ruler of the Papal States from 9 March 1144 to his death in 1145.

  4. Basilica of St Denis is dedicated near Paris, the first fully Gothic church

    Basilica of St Denis is dedicated near Paris, the first fully Gothic church

  5. Bernardo is elected Pope Eugene III

    Pope Eugene III (Latin: Eugenius III; c. 1080 – 8 July 1153), born Bernardo, called Bernardo da Pisa, was head of the Catholic Church and ruler of the Papal States from 15 February 1145 to his death...

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Frequently Asked Questions

What happened on August 31, 1142?
Possible date for establishment of the Iroquois (Haudenosaunee) League [disputed date - other research places date between 1450 and 1660]

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