* 1284 – The Republic of Pisa is defeated in the Battle of Meloria by the Republic of Genoa, thus losing its naval dominance in the Mediterranean.

# Alexander, Prince of Scotland ( 21 January 1264 Jedburgh – 28 January 1284 Lindores Abbey ); buried in Dunfermline Abbey

* Alfonso X of Castile-( 1252 – 1284 )

* 1284 – Edward II of England ( d. 1327 )

The Cantigas de Santa Maria (" Canticles of Holy Mary ";, ) are 420 poems with musical notation, written in Galician-Portuguese during the reign of Alfonso X El Sabio ( 1221 – 1284 ) and often attributed to him.

* Studies on the " Cantigas de Santa Maria ": Art, Music, and Poetry: Proceedings of the International Symposium on the " Cantigas de Santa Maria " of Alfonso X, el Sabio ( 1221 – 1284 ) in Commemoration of Its 700th Anniversary Year – 1981.

Jalāl ad-Dīn Muhammad Balkhī (), also known as Jalāl ad-Dīn Muhammad Rūmī (), and more popularly in the English-speaking world simply as Rumi ( 30 September 1207 – 17 December 1273 ), was a 13th-century after whose death in 1284 Rumi's younger and only surviving son, Sultan Walad ( died 1312 ), favorably known as author of the mystical Maṭnawī Rabābnāma, or the Book of the Rabab was installed as grand master of the order.

( 2004 ) Struggle for Mastery: The Penguin History of Britain 1066 – 1284.

( 2004 ) The Struggle for Mastery: The Penguin History of Britain 1066 – 1284.

* 1284 – The Statute of Rhuddlan incorporates the Principality of Wales into England.

* 1284 – King Hugh III of Cyprus ( b. 1235 )

* Simone Martini ( 1284 – 1344 ), Italian painter

* 1273 – Alphonso, Earl of Chester, son of Edward I of England ( d. 1284 )

* 1221 – King Alfonso X of Castile ( d. 1284 )

* 1327 – Edward II of England ( b. 1284 )

( 2004 ) Struggle for Mastery: The Penguin History of Britain 1066 – 1284.

* Simone Martini, Italian painter ( 1284 – c. 1344 )

* Edward II ( 1284 – 1327?

* November 10 – John I, Count of Holland ( b. 1284 )

* November 23 – King Alfonso X of Castile ( d. 1284 )

* 1284 – King Charles II of Naples is captured in a naval battle off Naples by Roger of Lauria, admiral to King Peter III of Aragon.

* 1284 – The Italian city-state of Genoa defeats its rival Pisa in the naval Battle of Meloria, ending Pisa's marine power and hastening the city's decline in power.

* 1284 – The Statute of Rhuddlan is created, formally incorporating Wales into England in the entity England and Wales.

* 1284 – Stefan Dragutin, king of Serbia, receives Belgrade, Syrmia, and other territories from Hungary when his son marries the king of Hungary's cousin.

Construction was halted again in 1284, when the Pisans were defeated by the Genoans in the Battle of Meloria.

Hugh III attempted to re-assert his authority on the mainland by landing at Beirut in 1283, but this was ineffective and he died in Tyre in 1284.

The decline began on 6 August 1284, when the numerically superior fleet of Pisa, under the command of Albertino Morosini, was defeated by the brilliant tactics of the Genoese fleet, under the command of Benedetto Zaccaria and Oberto Doria, in the dramatic naval Battle of Meloria.

Madonna and Child by Duccio, tempera and gold on wood, 1284, Siena

Year 1284 ( MCCLXXXIV ) was a leap year starting on Saturday ( link will display the full calendar ) of the Julian calendar.

* 1284 – Mamluk sultan of Egypt Qalawun signs a ten-year truce with the Crusader city of Acre ; he will violate the truce on pretexts in 1290.

However, Roger of Lauria continued to command the sea and launch harassing raids up and down the coast of Calabria, and in May 1284 he successfully blockaded Naples, basing a small squadron on the island of Nisida to do so.

When Prince Alexander died on 28 January 1284, leaving only the king's granddaughter Margaret living out of his descendants, Alexander III summoned all thirteen Earls of Scotland, twenty-four barons and the heads of the three main Gaelic kindreds of the West, Alexander of Argyll, Aonghas Mór of Islay and Alan MacRuari of Garmoran.

At Scone on 5 February 1284, the signatories agreed to recognise Margaret as " domina and right heir " if neither Alexander had left a posthumous child and the king had left no children at the time of his death.

King Philip of France married queen Joan I of Navarre ( 1271 – 1305 ) on 16 August 1284.

In 1284, in exchange for loans to the royal purse, the City of London acquired the Charter for its maintenance, based on the duties and toll-rights of the former " Brethren of the Bridge ".

Linguistics professor Jurgen Udolph says that 130 children did vanish on a June day in the year 1284 from the German village of Hamelin ( Hameln in German ).

In the year of 1284, on the day of Saints John and Paul

In 1284 Braunsberg was given a new town charter, again based on the laws of Lübeck.

United Nations Security Council Resolution 1441 is a United Nations Security Council resolution adopted unanimously by the United Nations Security Council on 8 November 2002, offering Iraq under Saddam Hussein " a final opportunity to comply with its disarmament obligations " that had been set out in several previous resolutions ( Resolution 660, Resolution 661, Resolution 678, Resolution 686, Resolution 687, Resolution 688, Resolution 707, Resolution 715, Resolution 986, and Resolution 1284 ).

The incident with the Pied Piper is said to have happened in 1284 and may be based on a true event, although somewhat different from the tale.

Edward decided to permanently colonise North Wales and provisions for its governance were set out in the Statute of Rhuddlan, enacted on 3 March 1284.

The work was controlled by Sir John Bonvillars and overseen by master mason James of St. George, and the first phase of work between 1283 and 1284 focused on creating the exterior curtain walls and towers.

In the second phase, from 1284 and 1286, the interior buildings were erected, while work began on the walls for the neighbouring town.

This title became extinct on Pierre's death in 1284.

They also went on to form more intimate matrimonial alliances with stronger South Indian kingdoms, until these matrimonial links superseded the local royal lineage and gave rise to the Kalinga invasion by King Kalinga Magha in 1214 and the eventual passing of power into the hands of a Pandyan King following the Arya Chakrawarthi invasion of Sri Lanka in 1284.

Related to the new situation was also the appointment of the king's brother as the Duke of Finland in 1284, which challenged the Bishop's earlier position as the sole authority on all local matters.

A romance biography was written on him between 1223 and 1284 by an unknown poet from Picardy, mainly interested in his year or so of adventures after leaving Renaud's service.