The 1000s (pronounced "one-thousands") was a decade of the Julian Calendar which began on January 1, 1000, and ended on December 31, 1009.

Science and technology

* The scientific achievements of the Islamic civilization reach their zenith. Major works from this decade include

Ibn al-Haytham Ḥasan Ibn al-Haytham, Latinized as Alhazen (; full name ; ), was a medieval mathematician, astronomer, and physicist of the Islamic Golden Age from present-day Iraq.For the description of his main fields, see e.g. ("He is one of the pri ...

(Alhacen)'s '' Book of Optics'',

Abu al-Qasim al-Zahrawi Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari ( ar, أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as al-Zahrawi (), Latinised as Albucasis (from Arabic ''Abū al-Qāsim''), was ...

(Abulcasis)'s 30-volume medical encyclopedia, the '' Al-Tasrif''. *Other significant contributions to scientific and mathematical understanding were made by Avicenna, who would later publish influential works on medicine, Persian Muslim polymath and scientist Abu Rayhan al-Biruni, Arab

Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Medit ...

ian Muslim mathematician and

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either ...

Ibn Yunus Abu al-Hasan 'Ali ibn 'Abd al-Rahman ibn Ahmad ibn Yunus al-Sadafi al-Misri (Arabic: ابن يونس; c. 950 – 1009) was an important Egyptian astronomer and mathematician, whose works are noted for being ahead of their time, having been based ...

, Persian Muslim physicist and mathematician Abu Sahl al-Quhi (Kuhi) and Persian Muslim astronomer and mathematician,

Abu-Mahmud al-Khujandi Abu Mahmud Hamid ibn al-Khidr al-Khojandi (known as Abu Mahmood Khojandi, Alkhujandi or al-Khujandi, Persian: ابومحمود خجندی, c. 940 - 1000) was a Muslim Transoxanian astronomer and mathematician born in Khujand (now part of Tajikista ...

. * The

Law of sines In trigonometry, the law of sines, sine law, sine formula, or sine rule is an equation relating the lengths of the sides of any triangle to the sines of its angles. According to the law, \frac \,=\, \frac \,=\, \frac \,=\, 2R, where , and ar ...

is discovered by

Muslim mathematicians Mathematics during the Golden Age of Islam, especially during the 9th and 10th centuries, was built on Greek mathematics (Euclid, Archimedes, Apollonius) and Indian mathematics (Aryabhata, Brahmagupta). Important progress was made, such as ...

. *

Bell A bell is a directly struck idiophone percussion instrument. Most bells have the shape of a hollow cup that when struck vibrates in a single strong strike tone, with its sides forming an efficient resonator. The strike may be made by an inte ...

foundry A foundry is a factory that produces metal castings. Metals are cast into shapes by melting them into a liquid, pouring the metal into a mold, and removing the mold material after the metal has solidified as it cools. The most common metals pr ...

is founded in

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

. *

Gunpowder Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). Th ...

is invented in China.

Significant people

* Abd al-Rahman Ibn Yunus *

Al-Qadir Abu'l-Abbas Ahmad ibn Ishaq ( ar, أبو العباس أحمد بن إسحاق, Abu'l-ʿAbbās Aḥmad ibn Isḥāq; 947/8 – 29 November 1031), better known by his regnal name al-Qadir ( ar, القادر بالله, al-Qādir bi’llāh, Made po ...

caliph of Baghdad *

(Abulcasis) *

Abu Nasr Mansur Abu Nasri Mansur ibn Ali ibn Iraq ( fa, أبو نصر منصور بن علی بن عراق; c. 960 – 1036) was a Persian Muslim mathematician and astronomer. He is well known for his work with the spherical sine law.Bijli suggests that three ...

* Abu Rayhan al-Biruni *

Alhacen Ḥasan Ibn al-Haytham, Latinized as Alhazen (; full name ; ), was a medieval mathematician, astronomer, and physicist of the Islamic Golden Age from present-day Iraq.For the description of his main fields, see e.g. ("He is one of the prin ...

(Ibn al-Haytham) * Avicenna (Ibn Sina) *

Basil II Basil II Porphyrogenitus ( gr, Βασίλειος Πορφυρογέννητος ;) and, most often, the Purple-born ( gr, ὁ πορφυρογέννητος, translit=ho porphyrogennetos).. 958 – 15 December 1025), nicknamed the Bulgar S ...

* Boleslaus I of Poland *

Brian Boru Brian Boru ( mga, Brian Bóruma mac Cennétig; modern ga, Brian Bóramha; 23 April 1014) was an Irish king who ended the domination of the High Kingship of Ireland by the Uí Néill and probably ended Viking invasion/domination of Ireland. Br ...

Bruno of Querfurt Bruno of Querfurt ( 974 – 14 February or 9/14 March 1009), also known as ''Brun'' and ''Boniface'', was a Christian missionary bishop and martyr, who was beheaded near the border of Kievan Rus and Lithuania for trying to spread Christianity. H ...

Robert II of France Robert II (c. 972 – 20 July 1031), called the Pious (french: link=no, le Pieux) or the Wise (french: link=no, le Sage), was King of the Franks from 996 to 1031, the second from the Capetian dynasty. Crowned Junior King in 987, he assisted h ...

* Robert Guiscard *

Roger I of Sicily Roger I ( it, Ruggero I, Arabic: ''رُجار'', ''Rujār''; Maltese: ''Ruġġieru'', – 22 June 1101), nicknamed Roger Bosso and The Great, was a Norman nobleman who became the first Count of Sicily from 1071 to 1101. He was a member of the ...

* Sancho III of Navarre *

Stephen I of Hungary Stephen I, also known as King Saint Stephen ( hu, Szent István király ; la, Sanctus Stephanus; sk, Štefan I. or Štefan Veľký; 975 – 15 August 1038), was the last Grand Prince of the Hungarians between 997 and 1000 or 1001, and the ...

Sweyn I of Denmark Sweyn Forkbeard ( non, Sveinn Haraldsson tjúguskegg ; da, Svend Tveskæg; 17 April 963 – 3 February 1014) was King of Denmark from 986 to 1014, also at times King of the English and King of Norway. He was the father of King Harald II of De ...

* Tsar Samuil of Bulgaria

References

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