These pages contain the trends of millennia and centuries. ... (7th century — 8th century — 9th century — other centuries) Events The Iberian peninsula is taken by Arab and Berber Muslims, thus ending the Visigothic rule, and starting almost 8 centuries of Muslim presence there. ... As a means of recording the passage of time the 9th century was the century that lasted from 801 to 900. ... As a means of recording the passage of time, the 10th century was that century which lasted from 901 to 1000. ... This is a list of decades which have articles with more information about them. ... Centuries: 7th century - 8th century - 9th century Decades: 740s - 750s - 760s - 770s - 780s - 790s - 800s - 810s - 820s - 830s - 840s Years: 790 791 792 793 794 795 796 797 798 799 800 Events and trends: In 793, the Vikings sack the monastery of Lindisfarne. ... Centuries: 8th century - 9th century - 10th century Decades: 750s 760s 770s 780s 790s - 800s - 810s 820s 830s 840s 850s Years: 800 801 802 803 804 805 806 807 808 809 Significant Events and Trends Swedish town of Birka founded as a centre of trade on the island of Björk... Centuries: 8th century - 9th century - 10th century Decades: 760s - 770s - 780s - 790s - 800s - 810s - 820s - 830s - 840s - 850s - 860s Years: 810 811 812 813 814 815 816 817 818 819 Trends and events: 814 - Charlemagne dies; transfer of united territory to Louis the Pious. ... Centuries: 8th century - 9th century - 10th century Decades: 770s - 780s - 790s - 800s - 810s - 820s - 830s - 840s - 850s - 860s - 870s Years: 820 821 822 823 824 825 826 827 828 829 Events: Egbert of Wessex rises to the position of Bretwalda. ... Centuries: 8th century - 9th century - 10th century Decades: 780s - 790s - 800s - 810s - 820s - 830s - 840s - 850s - 860s - 870s - 880s Years: 830 831 832 833 834 835 836 837 838 839 Events: The first Swedes arrive in Russia. ... Centuries: 8th century - 9th century - 10th century Decades: 790s - 800s - 810s - 820s - 830s - 840s - 850s - 860s - 870s - 880s - 890s Years: 840 841 842 843 844 845 846 847 848 849 After the death of Louis the Pious, his sons Charles the Bald, Louis the German and Lothair II of Lotharingia... Centuries: 8th century - 9th century - 10th century Decades: 800s - 810s - 820s - 830s - 840s - 850s - 860s - 870s - 880s - 890s - 900s 850 851 852 853 854 855 856 857 858 859 Events Samara the Sweet is born. ... This page indexes the individual years pages. ... Events Louis the Pious divides his empire among his sons. ... Events Bishop Theodulf of Orléans is deposed and imprisoned after getting involved in a conspiracy of Bernard, king of Italy, against Louis the Pious Births Deaths May 26 - Ali ar-Rida, Shia Imam Categories: 818 ... Events The Abbasid capital is moved back to Baghdad Louis the Pious marries Judith Welf Births Deaths Categories: 819 ... Events Tang Mu Zong becomes emperor of China Births Deaths February 11 - Benedict of Aniane, monastic founder and saint December 18 - Theodulf, Bishop of Orléans Coenwulf, king of Mercia Categories: 821 ... Events Abd-ar-rahman II becomes ruler of Umayyad Spain. ... Events Crete is conquered from the Byzantines by the Saracens. ... 819 state leaders - Events of 820 - 821 state leaders - State leaders by year See also: List of religious leaders in 820 Asia Bohai/Balhae - Da Renxiu/Dae In-su, King of Bohai/Balhae (818?-830) China (Tang Dynasty) - Xianzong, Emperor of Tang China (806-820) Gurjara - Nagabhata II, Pratihara King... 819 sovereign states - Events of 820 - 821 sovereign states - Sovereign states by year // Abbasid Caliphate Kingdom of Asturias Kingdom of Aksum Byzantine Empire Balhae Kingdom Bulgaria Chinese Empire Frankish Empire Khmer Empire Pala Empire Sailendra Amirat of Sindh Silla Srivijaya Tibet Categories: | ... For the calendar of religious holidays and periods, see liturgical year. ... Ab urbe condita (related with Anno urbis conditae: AUC or a. ... The Armenian calendar uses the Armenian numerals. ... The Baháí calendar, also called the Badí‘ calendar, used by the Baháí Faith, is a solar calendar with regular years of 365 days, and leap years of 366 days. ... The Buddhist calendar is used on mainland southeast Asia in the countries of Cambodia, Laos, Thailand, and Myanmar (formerly Burma) in several related forms. ... The Chinese calendar is a lunisolar calendar, incorporating elements of a lunar calendar with those of a solar calendar. ... The Chinese sexagenary cycle (Chinese: ; pinyin: ) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干; tiāngān) and the twelve Earthly Branches (地支; dìzhÄ«). These have been traditionally used as a means of numbering days and years, not only in China... The Chinese sexagenary cycle (Chinese: ; pinyin: ) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干; tiāngān) and the twelve Earthly Branches (地支; dìzhÄ«). These have been traditionally used as a means of numbering days and years, not only in China... The Coptic calendar, also called the Alexandrian calendar, is used by the Coptic Orthodox Church. ... The Ethiopian calendar (Amharic: የኢትዮጵያ ዘመን አቆጣጠር ), also called the Geez calendar, is the principal calendar used in Ethiopia and is also the liturgical year of Christians in Eritrea belonging to the Eritrean Orthodox Tewahdo Church, Eastern Catholic Church of Eritrea and Lutheran (Evangelical Church of Eritrea), where it is commonly known... The Hebrew calendar (‎) or Jewish calendar is the calendar used by Jews for religious purposes. ... A page from the Hindu calendar 1871-72. ... There is disagreement as to the meaning of the Indian word Samvat. ... The Indian national calendar (sometimes called Saka calendar) is the official civil calendar in use in India. ... Kali Yuga is also the title of a book by Roland Charles Wagner. ... H.E. redirects here. ... The Iranian calendar (Persian: ) also known as Persian calendar or the Jalāli Calendar is a solar calendar currently used in Iran and Afghanistan. ... The Islamic calendar or Muslim calendar (Arabic: التقويم الهجري; at-taqwÄ«m al-hijrÄ«; Persian: تقویم هجري قمری ‎ taqwÄ«m-e hejri-ye qamari; also called the Hijri calendar) is the calendar used to date events in many predominantly Muslim countries, and used by Muslims everywhere to determine the proper day on which to celebrate... Koinobori, flags decorated like koi, are popular decorations around Childrens Day This mural on the wall of a Tokyo subway station celebrates Hazuki, the eighth month. ... It has been suggested that this article or section be merged with Japanese era name. ... The Julian calendar was a reform of the Roman calendar which was introduced by Julius Caesar in 46 BC and came into force in 45 BC (709 ab urbe condita). ... The traditional Korean calendar is directly derived from the Asian calendar. ... The Thai solar, or Suriyakati (สุริยคติ), calendar is used in traditional and official contexts in Thailand, although the Western calendar is sometimes used in business. ...

Events

By Place

Asia

• Tahir, the son of a slave, is rewarded with the governorship of Khurasan because he have supported the caliphate. He rules independently of Baghdad, not even mentioning the caliph's name in Friday prayers in recognition of caliphal authority.

In Islamic context, Tahir refers to purity and cleanliness in accordance with religious rituals. ... Khorasan (also spelled Khurasan and Khorassan; خراسان in Persian) is an area, located in eastern and northeastern Iran. ... A caliphate (from the Arabic خلافة or khilāfah), is the Islamic form of government representing the political unity and leadership of the Muslim world. ... Baghdad (Arabic: ) is the capital of Iraq and of Baghdad Governorate. ...

Byzantine Empire

• Michael II succeeds Leo V as Byzantine Emperor.

Michael II and his son Theophilos, founders of the Amorian dynasty. ...

Europe

• The Historia Brittonum is written (approximate date)
• Feidlimid mac Cremthanin assumes the Kingship of Munster

The Historia Britonum, or The History of the Britons, is a historical work that was first written sometime shortly after AD 820, and exists in several recensions of varying difference. ... Feidlimind Mac Cremthanin was the King of Cashel or Munster between 820 and 846. ...

By Topic

Science & Technology

• Muslim mathematician Muḥammad ibn Mūsā al-Ḵwārizmī founded algebra.

There is also a collection of Hadith called Sahih Muslim A Muslim (Arabic: مسلم, Persian: Mosalman or Mosalmon Urdu: مسلمان, Turkish: Müslüman, Albanian: Mysliman, Bosnian: Musliman) is an adherent of the religion of Islam. ... Khwarizmi comemmorated on this Soviet stamp. ... This article is about the branch of mathematics. ...

Births

• Rhodri Mawr ('the Great'), ruler of Gwynedd (Wales) (approximate date) (d. 878)
• Photius I, Patriarch of Constantinople (approximate date) (d. 891)

Rhodri the Great a. ... Medieval kingdoms of Wales. ... This article is about the country. ... Events The Danes force king Alfred the Great of Wessex to retreat to a fort in Athelney, Somerset. ... Photius (in Greek ΦωτιoÏ‚; b. ... The Patriarch of Constantinople is the Ecumenical Patriarch, ranking as the first among equals in the Eastern Orthodox communion. ... Events October 6 - Election of Pope Formosus Arnulf of Carinthia defeats the Normans at the Battle of Leuven Births Abd ar-Rahman III, emir and first caliph of Córdoba. ...

Deaths

• December 24 — Leo V, Byzantine Emperor (b. 775) (assassinated)
• Tang Xian Zong, emperor of China (end of reign)