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King Afonso I of Portugal occupies Lisbon

Dom Afonso I nicknamed "the Conqueror" (Portuguese: O Conquistador), "the Founder" (O Fundador) and "the Great" (O Magno) by the Portuguese, was the first king of Portugal, from 26 July 1139 until...

Dom Afonso I nicknamed "the Conqueror" (Portuguese: O Conquistador), "the Founder" (O Fundador) and "the Great" (O Magno) by the Portuguese, was the first king of Portugal, from 26 July 1139 until his death on 6 December 1185. He achieved the independence of the County of Portugal, establishing a new kingdom and doubling its area with the Reconquista, an objective that he pursued until his death.

Afonso was the son of Theresa of León and Henry of Burgundy, rulers of the County of Portugal. Henry died in 1112, leaving Theresa to rule alone.

Historical Significance

Dom Afonso I nicknamed "the Conqueror" (Portuguese: O Conquistador), "the Founder" (O Fundador) and "the Great" (O Magno) by the Portuguese, was the first king of Portugal, from 26 July 1139 until his death on 6 December 1185.

Events Before

  1. 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.

  2. 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...

  3. 19th recorded perihelion passage of Halley's Comet

    Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years, though with the majority of recorded apparitions (25 of 30)...

  4. Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade. Louis V

    Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade. Louis VII and Eleanor of Aquitaine are present and join the Crusade.

  5. European leaders outlaw the crossbow, intending to end war for all time

    European leaders outlaw the crossbow, intending to end war for all time

Events After

  1. Pope Eugene III takes refuge in the castle of Ptolemy II of Tusculum

    Pope Eugene III takes refuge in the castle of Ptolemy II of Tusculum

  2. Raymond of Antioch is defeated and killed at the Battle of Inab in modern-day Syria by the Zengid army of the atabeg Nur

    Raymond of Antioch is defeated and killed at the Battle of Inab in modern-day Syria by the Zengid army of the atabeg Nur al-Din Zengi

  3. Tichborne family of Hampshire England start tradition of giving gallon of flour to residents to keep deathbed promise

    Tichborne family of Hampshire England start tradition of giving gallon of flour to residents to keep deathbed promise

  4. In one of the most expensive divorces in history, French King Louis VII is granted an annulment from Eleanor of Aquitain

    In one of the most expensive divorces in history, French King Louis VII is granted an annulment from Eleanor of Aquitaine on the grounds of consanguinity (being from the same kinship as another person)

  5. Eleanor of Aquitaine marries Henri of Anjou, handing the future King Henry II of England most of France, allowing future

    Eleanor of Aquitaine marries Henri of Anjou, handing the future King Henry II of England most of France, allowing future kings of England to claim France for centuries thereafter

More from the 1140s

Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade. Louis V

Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade. Louis VII and Eleanor of Aquitaine are present and join the Crusade.

European leaders outlaw the crossbow, intending to end war for all time

European leaders outlaw the crossbow, intending to end war for all time

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]

Wrongful execution of noted Song Dynasty General Yue Fei

Yue Fei, courtesy name Pengju (鵬舉), was a Chinese military general of the Song dynasty and is remembered as a patriotic national hero, known for leading its forces in the wars in the 12th century...

Frequently Asked Questions

What happened on October 25, 1147?
Dom Afonso I nicknamed "the Conqueror" (Portuguese: O Conquistador), "the Founder" (O Fundador) and "the Great" (O Magno) by the Portuguese, was the first king of Portugal, from 26 July 1139 until his death on 6 December 1185. He achieved the independence of the County of Portugal, establishing a new kingdom and doubling its area with the Reconquista, an objective that he pursued until his death. Afonso was the son of Theresa of León and Henry of Burgundy, rulers of the County of Portugal.
Why is King Afonso I of Portugal occupies Lisbon significant?
Dom Afonso I nicknamed "the Conqueror" (Portuguese: O Conquistador), "the Founder" (O Fundador) and "the Great" (O Magno) by the Portuguese, was the first king of Portugal, from 26 July 1139 until his death on 6 December 1185.

Explore More

October 25 in HistoryYear 1147