For instance, the local charter of the Basque-colonized Ojacastro valley ( now in La Rioja ) allowed the inhabitants to use Basque in legal processes in the 13th and 14th centuries.

One scholar places the migration аs late as the 13th or 14th century.

In the Eastern Military District, there were two tank divisions, the 13th and 14th, with a supervisory headquarters at Trenčín in the Slovak part of the country.

The earliest evidence of the Chinese calendar is found on the oracle bones of the Shang Dynasty ( late second millennium BC ), which seem to describe a lunisolar year of 12 months, with a possible intercalary 13th, or even 14th, added empirically to prevent calendar drift.

Operating in the south at Toulouse, Albi, Carcassonne and other towns during the whole of the 13th century, and a great part of the 14th, it finally succeeded in extirpating the movement.

Danish literature of the 13th and 14th centuries remains quiet about the national flag.

* St. Mary's Church-former Dominican church, erected in the 13th century, rebuilt in the 14th and 16th centuries ; damaged in World War II and reconstructed in 1961 as an art gallery ; remnants of cloister are partially preserved

The Estampie (, Occitan and, ) is a medieval dance and musical form, it was a popular instrumental style of the 13th and 14th centuries.

During the 13th and 14th centuries, the Mongols relied heavily on espionage in their conquests in Asia and Europe.

The Economist Intelligence Unit's ranking for Finland's e-readiness is high at 13th, compared to 1st for United States, 3rd for Sweden, 5th for Denmark, and 14th for Germany.

* Kamal al-Din al-Farisi, a 13th – 14th century mathematician

The first trimester is from the last period to the 13th week, the second trimester is from the 14th to 27th week, and the third trimester is from the 28th week to 42 weeks.

In Europe, its use became widespread in the 13th century, and peaked in the 14th and 15th centuries.

The Reichssturmfahne, in use as military banner during the 13th and early 14th centuries.

Although until the 13th century religious minorities ( Jews and Muslims ) had enjoyed considerable tolerance in Castilla and Aragon – the only Christian kingdoms where Jews were not restricted from any professional occupation – the situation of the Jews collapsed over the 14th century, reaching a climax in 1391 with large scale massacres in every major city except Ávila.

This was followed by the Little Ice Age, from the 13th or 14th century to the mid 19th century, which was a period of significant cooling, though not everywhere as severe as previous times during neoglaciation.

The 13th and 14th centuries brought the widespread manufacturing of iron horseshoes.

These included the 13th amendment, banning slavery, the 14th amendment, assuring full citizenship and civil rights to all people born in the United States, and the 15th amendment, guaranteeing African Americans the right to vote.

During the late 13th century and first half of the 14th century, Chinese under the Mongol-controlled Yuan Dynasty were not allowed to enter higher posts of government ( reserved for Mongols or other ethnic groups from Central Asia ), and the Imperial examination was ceased for the time being.

Marco Polo was not the first Westerner to travel to the Orient and return with amazing stories of this different culture, but his accounts published in the late 13th and early 14th centuries were the first to be widely read throughout Europe.

It further developed circa the 13th and 14th centuries AD with Persian influences and from existing religious and folk music.

* Ibn Taymiyyah, a Syrian Islamic jurist during the 13th and 14th centuries who is often quoted by contemporary Islamists.

Adding edges to ice skates was invented by the Dutch in the 13th or 14th century.

In the 13th and 14th centuries, a number of Europeans, many of them Christian missionaries, had sought to penetrate China.

Moving clockwise around the outer bailey from Mortimer's Tower, the defences include a west-facing watergate, which would originally have led onto the Great Mere ; the King's gate, a late 17th century agricultural addition ; the Swan Tower, a late 13th century tower with 16th century additions named after the swans that lived on the Great Mere ; the early 13th century Lunn's Tower ; and the 14th century Water Tower, so named because it overlooked the Lower Pool.

It is not entirely clear why the Ancestral Puebloans migrated from their established homes in the 12th and 13th centuries.

These beliefs have persisted despite ( and have been influenced by ) the introduction of Islam and Catholicism to the islands in the 13th and 16th centuries, respectively.

It is against this background that two religious orders or congregations, one of men and one of women, when founded in the Milan area during the 13th and 15th centuries, took Saint Ambrose as their patron and hence adopted his name.

Little remains of the claustral buildings of the Abbey except for the impressive gatehouse, which stretches between the south-west corner of the church and a defensive tower on the High Street, and the still complete Abbot's House, a building of the 13th, 15th and 16th centuries, which is the best-preserved of its type in Scotland.

Owing to its geographical location the town was frequently embroiled in the border warfare and power play of the 12th and 13th centuries in the Welsh Marches.

Between the 11th and 13th centuries, the Romanesque style Bonn Minster was built, and in 1597 Bonn became the seat of the Archdiocese of Cologne.

It was constructed in the 12th and 13th centuries.

The doctrine of precedent developed during the 12th and 13th centuries, as the collective judicial decisions that were based in tradition, custom and precedent.

By the time of the rediscovery of the Roman law in Europe in the 12th and 13th centuries, the common law had already developed far enough to prevent a Roman law reception as it occurred on the continent.

The golden age of Khmer civilization, however, was the period from the 9th to the 13th centuries, when Khmer Empire, which gave Kampuchea, or Cambodia, its name, ruled large territories from its capital in the region of Angkor in western Cambodia.

From the 13th to 15th centuries cannon armed Chinese ships also traveled throughout Southeast Asia.

The Franciscan piety of the 12th and 13th centuries led to " popular Christology ".

Catharism (; from, katharos, pure ) was a name given to a Christian religious movement with dualistic and gnostic elements that appeared in the Languedoc region of France and other parts of Europe in the 11th century and flourished in the 12th and 13th centuries.

By the 12th to 13th centuries A. D., monks were preparing illuminated manuscripts on vellum and parchment in monasteries throughout Europe and were using lead styli to draw lines for their writings and for the outlines for their illuminations.

However, several coins, seals and images exist, both foreign and domestic, from the 13th to 15th centuries and even earlier, showing flags similar to Dannebrog.

However, if one examines the few existing foreign sources about Denmark from the 13th to 15th centuries, it is apparent that, at least from foreign point of view ; the national symbol of Denmark was not a red-and-white banner but the royal coat of arms ( three blue lions on a golden shield.

The East Slavic languages descend from a common predecessor, the language of the medieval Kievan Rus ' ( 9th to 13th centuries ).

Stories of kites were first brought to Europe by Marco Polo towards the end of the 13th century, and kites were brought back by sailors from Japan and Malaysia in the 16th and 17th centuries.

The Sosso kingdom ( 12th to 13th centuries ) briefly flourished in the void but the Islamic Mandinka Mali Empire came to prominence when Soundiata Kéïta defeated the Sosso ruler, Soumangourou Kanté at the semi-historical Battle of Kirina in c. 1235.