* Alfonso X of Castile-( 1252 – 1284 )

# Sybilla of Lusignan ( October – November 1198 – c. 1230 or 1252 ), married King Leo II of Armenia

* Principality and Duchy of Anhalt-Bernburg: 1252 – 1468 and 1603 – 1863

* Principality of Anhalt-Zerbst: 1252 – 1396 and 1544 – 1796

* Principality of Anhalt-Aschersleben: 1252 – 1315

* 1252 – Alfonso X is elected King of Castile and León.

It was the difficulty in using the longbow which led various monarchs of England to issue instructions encouraging their ownership and practice, including the Assize of Arms of 1252 and King Edward III's declaration of 1363: " Whereas the people of our realm, rich and poor alike, were accustomed formerly in their games to practise archery – whence by God's help, it is well known that high honour and profit came to our realm, and no small advantage to ourselves in our warlike enterprises ... that every man in the same country, if he be able-bodied, shall, upon holidays, make use, in his games, of bows and arrows ... and so learn and practise archery.

* 1252 – Pope Innocent IV issues the papal bull ad extirpanda, which authorizes, but also limits, the torture of heretics in the Medieval Inquisition.

* 1252 – Conradin, Duke of Swabia ( d. 1268 )

* 1252 – Blanche of Castile, Queen of Louis VIII of France ( b. 1188 )

* 1929 – JC Penney opens store # 1252 in Milford, Delaware, making it a nationwide company with stores in all 48 U. S. states.

Fernando III called El Santo ( the Saint ), ( 1198 / 1199 – 30 May 1252 ) was a king of Castile ( 1217 – 1252 ) and Leon ( 1230 – 1252 ).

* March 4 – Blanche of Castile ( d. 1252 )

* October 16 – Amadeus V of Savoy ( b. 1252 )

The name Stockholm first appears in historical records in letters written by Birger jarl and king Valdemar dated 1252.

In 1252, a group of nobles that could witness and support deeds, known as consuls et cives Solodorenses, first appears in the town.

The first attested mention of Brașov is Terra Saxonum de Barasu (" Saxon Land of Baras ") in a 1252 document.

Husum was first mentioned as Husembro in 1252, when king Abel was murdered.

By 1252 the settlement was known by the names Tczew and Dirschau, and in 1258 Tczew hosted the first city council in Poland.

In 1252, a year after another victory over the folkungs at the Battle of Herrevadsbro ( Slaget vid Herrevadsbro ), Birger wrote two carefully dated letters, the first mention of Stockholm interpreted as the foundation of the city or at least some sort of special interest in the location.

1252 ), first married Álvaro Fernández de Lara, without issue, married as his second wife Soeiro Aires de Valadares ( ca.

1210 / 1228-aft. 1252, married twice, first to García Romeu of Tormos, without issue, then Pedro Núñez de Guzmán, son of Guillén Pérez de Guzmán and María González Girón, with issue.

The first church on the island of Tromsøya was erected in 1252.

Microsoft defined a number of code pages known as the ANSI code pages ( as the first one, 1252 was based on an apocryphal ANSI draft of what became ISO 8859-1 ).

* Florin ( Italian coin ), minted in Florence in 1252 ( origin of the name " florin "), first gold coin minted in significant quantities in Western Europe since the 7th century

The first bridge at Fordingbridge was built before 1252, when the bailiff and men of the town received a grant of pontage for one year towards its repairs.

The name Lucerrun is first mentioned in 1252.

The first signs of a municipal constitution appear in 1252.

The first church was mentioned in 1252, when six acres ( 24, 000 m² ) of land was given to nuns from Elstow, Bedfordshire.

Though not mentioned until 1288, the first bridge is believed to have been built with the foundation of the city in 1252.

Rennaz is first mentioned in 1252 as ad villam de rayna.

Giovanni da Pian del Carpine, or John of Plano Carpini or John of Pian de Carpine or Joannes de Plano ( 1182 – August 1, 1252 ) was one of the first Europeans to enter the court of the Great Khan of the Mongol Empire.

The first reference to Ropczyce comes from a document of 1252, which confirmed the donation of the land by the brothers Klemens and Marek Gryf to a Cistercian Abbey in Szczyrzyc near Limanowa.

In his first plans of the Mongol conquests, Mongke chose Korea and Dali Kingdom in Yunnan in 1252.

Roger first came to royal notice in 1252 when he killed Arnulf de Munteny, one of the king's household knights, in a jousting tournament with a sharpened lance, avenging himself of an injury caused by Arnulf in a previous tournament.

Shortly after the death of her uncle, Gertrude first married her fiancé Vladislaus of Moravia, who nevertheless died in the next year, then Margrave Herman VI of Baden, who did not manage to maintain his position in Austria, and finally in 1252 Prince Roman Danylovich, a younger brother of Kynaz Lev I Rurik, son-in-law of the Hungarian king.

Thomas struggled in his first year, often appearing raw, but finished the season with 14 starts and 1252 minutes for the Burn.

Slonim was first mentioned in chronicles in 1252 as Uslonim and in 1255 as Vslonim.

* 1252 — West European Latin

* 1252 — Latin ( Western European languages )

The florin, based on a French coin and ultimately on coins issued in Florence, Italy, in 1252, was a standard coin ( 3. 5g fine gold ) widely used internationally.

Florin derives from the city of Florence ( or Firenze ) in Italy and frequently refers to the ( fiorino d ' oro ) gold coin struck in 1252.

Gold coinage was re-introduced to Europe in 1252 when the city of Florence began minting gold coins known as florins.