In 1138, Ali ibn Yusuf was defeated by Alfonso VII of León, and in the Battle of Ourique ( 1139 ), by Afonso I of Portugal, who thereby won his crown.

* 1212 – Battle of Las Navas de Tolosa: after Pope Innocent III calls European knights to a crusade, forces of Kings Alfonso VIII of Castile, Sancho VII of Navarre, Peter II of Aragon and Afonso II of Portugal defeat those of the Berber Muslim leader Almohad, thus marking a significant turning point in the Reconquista and in the medieval history of Spain.

Afonso became involved in a war, taking the side of the Aragonese king, an enemy of Alfonso VII.

After Afonso I of Portugal recognised him as liege in 1137, Alfonso VII lost the tournament at Arcos de Valdevez in 1141 thereby affirming Portugal's independence.

gl: Afonso VII de León

pt: Afonso VII de Leão e Castela

The nearest town in Spain is Zamora, site of the Treaty of Zamora ( 1143 ) between the Portuguese king Afonso I and the Leonese king Alfonso VII.

The forces of King Alfonso VIII of Castile were joined by the armies of his Christian rivals, Sancho VII of Navarre, Pedro II of Aragon and Afonso II of Portugal in battle against the Almohad rulers of the southern half of the Iberian Peninsula.

Afonso Henriques's anxiety at this incursion at his southern frontier hastened his negotiations with Alfonso VII of León after Valdevez, leading to the Treaty of Zamora and freeing Afonso Henrique's troops to deal with the Muslim attack.

* 1212-Battle of Las Navas de Tolosa: Alfonso VIII of Castile, Sancho VII of Navarre, Pedro II of Aragon and Afonso II of Portugal, defeat Almohad ( Caliph Muhammad an-Nasir ) at the Battle of Las Navas de Tolosa.

** Peace treaty of Tui, whereby Prince Afonso Henriques acknowledges himself as vassal to King Alfonso VII of Castile and León, through the possession of Astorga.

** Treaty of Zamora: Alfonso VII of León and Castille recognizes the Kingdom of Portugal in the presence of King Afonso I of Portugal, witnessed by the papal representative, the Cardinal Guido de Vico, at the Cathedral of Zamora.

Based on the terms of the accord, King Alfonso VII of León and Castille recognized the Kingdom of Portugal in the presence of King Afonso I of Portugal, witnessed by the papal representative, Cardinal Guido de Vico, at the Cathedral of Zamora.

Variants of the name include: Alfonso ( Italian and Spanish ), Alfons ( Catalan, Dutch, German, Polish and Scandinavian ), Afonso ( Portuguese and Galician ), Affonso ( Ancient Portuguese ), Alphonse, Alfonse ( Italian, French and English ), Αλφόνσος Alphonsos ( Greek ), Alphonsus ( Latin ), Alphons ( Dutch ), Alfonsu in ( Leonese ), Alfonsas ( Lithuanian ).

An unwise foreign policy simultaneously injured the royal prestige, for Afonso married his own niece, Joanna, daughter of Henry IV of Castile, and claimed the kingdom in her name.

Manuel thus had every reason to worry when he received a royal order in 1493 to present himself to the king, but his fears were groundless: John II wanted to name him heir to the throne, after the death of his son, Prince Afonso, and the failed attempts to legitimise Jorge, Duke of Coimbra, his illegitimate son.

This relationship with the Catholic Church made it possible for John to name whomever he wanted to important religious positions in Portugal: his brothers Henry and Afonso were made Cardinals, and his natural son Duarte was made Archbishop of Braga.

When King Afonso I of Kongo whose Kongo name was Mvemba a Nzinga, the second Christian king, was facing a rival, his brother Mpanzu a Kitima, in battle, he reported that a vision of Saint James and the Heavenly Host appeared in the sky, frightened Mpanzu a Kitima's soldiers, and gave Afonso the victory.

This city was founded on November 22, 1573 by the Tupi Amerindian chief Araribóia ( who later was converted to Roman Catholicism and given the Christian name of Martim Afonso, after the Portuguese explorer Martim Afonso de Sousa ).

When in the early 16th century the Portuguese reached South-East Asia ( Afonso de Albuquerque conquering Malacca in 1511 ) and the southern coast of China ( Jorge Álvares reaching the Pearl River estuary in 1513 ), they started calling the country by the name used in South and South-East Asia.

* Portugal gained a big war compensation of 106 676 dobles of gold < ref name =" Mendonça ">< sub >< big >↓</ big ></ sub > Mendonça, 2007, p. 102, 103 .</ ref > in the form of the marriage dowry of Afonso with Isabella.

King Afonso III of Portugal founded the town in 1253 in the name of Viana.

In 1568 he received the Christian name of Martim Afonso, to honour Martim Afonso de Sousa.

The Unité d ' Habitation (, Housing Unit ) is the name of a modernist residential housing design principle developed by Le Corbusier, with the collaboration of painter-architect Nadir Afonso.

Salir received its name, from the " disappearance " of the daughter of the Moorish alcalde Aben-Fabilla, so a legend suggests, who escaped when he saw his castle being threatened by the army of Afonso III.

Afonso Cláudio is the name of a municipality and its capital in east central Espírito Santo, Brazil, founded in 1963.

The name of the municipality was given in honour of Afonso Cláudio de Freitas Rosa ( born in Santa Leopoldina, Espírito Santo ), the first governor of that state after the implantation of the Brazilian Republic on November 15, 1889.

His Christian name, Henrique, indicates that his capture was on the feastday of St. Henry on July 13, which was several days from the start of the siege of Malacca by the Portuguese under the leadership of Afonso de Albuquerque.

What is certain, is that this name only appeared during the 1250 Inquirições of Afonso III.

In 1562, the construction of the altar in the name of Santa Maria was completed, under the direction of the head of the Quinta da Régua, Bishop Afonso Pires.

The island was discovered in 1462 by Diogo Afonso, but was not given its current name until around the 16th century.

Many of the lands in the parish were originally in the name of Garcia da Câmara and Afonso Henriques, Master of Alcáçovas ( dated to the 16th century ).

It is probable that the chronicles of the early kings of Portugal from Sancho I to Afonso IV which were published under Pina's name in the 18th century were written by Fernão Lopes and edited by Pina, while that of King Duarte seems to have been the joint production of Lopes and Gomes Eanes de Zurara, with Pina again as the editor only.

Together with his older brother and sister, he was registered as a son of unknown parents with the name Afonso Maria de Ligório.

Afonso, born in Lisbon, was the rightful heir to the Portuguese throne.

The first-born of this union, Infanta Maria of Portugal, married King Alfonso XI of Castile in 1328, at the same time that Afonso IV's heir, Peter I of Portugal, was promised to another Castilian infanta, Constance of Peñafiel.

Her firstborn, a daughter named Isabella, married Afonso of Portugal, forging important ties between these two neighboring countries and hopefully ensuring future alliance, but Isabella soon died before giving birth to an heir.

Peter, the heir, afterwards married Constance, daughter of the duke of Peñafiel ( near Valladolid ), and Afonso IV brought a strong Portuguese army to aid the Castilians against the Moors of Granada and their African allies.

If Juan died without male heir, as was probable, Afonso would be heir not only of Portugal, but also of Castile and Aragon.

* Afonso, Prince Royal of Portugal was the heir presumptive of his nephew Manuel II of Portugal until the monarchy was abolished in 1910.

Feeling as though his daughter was being dishonored, Afonso was glad to enter into an alliance with Juan Manuel and married his son and heir, Peter, to Constance.

Afonso, heir of Prince John.

Afonso, Prince of Portugal (; ) ( 18 May 1475 – 13 July 1491 ) was the heir to the throne of Portugal.

Afonso was the only son and heir of king John II of Portugal by his marriage with Leonor of Viseu, princess of Portugal.

If John, the only son of Ferdinand II of Aragon and Isabella I of Castile died without a male heir, as was probable, Afonso would be heir not only to the throne of Portugal but also to the thrones of Castile and Aragon.

Her son and heir, Afonso, defeated Teresa's troops at the Battle of São Mamede near Guimarães and led her, along with the Count of Traba and their children, into exile in the kingdom of Galicia, near the Portuguese border, where the Traba had founded the monastery of Toxas Altas.

Her spouse was the only living son of Afonso V of Portugal and Isabel of Coimbra and heir apparent to the Portuguese throne.

Afonso de Santa Maria, Prince of Beira, Duarte Pio's eldest son, as heir apparent to the Portuguese Royal House, is styled Prince of Beira, not Infante.

Feeling as though his daughter was being dishonored, Afonso was glad to enter into an alliance with Juan Manuel and married his son and heir, Peter, to Constance.

Catherine was married to João I, Duke of Braganza ( descendant in male line from Afonso I, Duke of Braganza, an illegitimate son of King John I of Portugal ), who himself was grandson of the late Duke Jaime of Braganza, also a legitimate heir of Portugal, being the son of Infanta Isabella, sister of Manuel I and daughter of Infante Ferdinand, Duke of Viseu, second son of King Duarte I.

* 1355 – Inês de Castro is killed by royal order ; begins civil war between Afonso IV and his heir Pedro.

After the death of the royal heir Prince Afonso in July 1491, King John II was left with no legitimate sons and no daughters he could marry off.