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Image File history File links Padlock. ... Events Abbasid caliph al-Mutasim establishes new capital at Samarra, Iraq. ... Events Pietro Tradonico elected Doge of Venice. ... Events At Hingston Down, Egbert of Wessex beats the Danish and the West Welsh. ... Events Louis the Pious attempts to divide his empire among his sons. ... Events June 25: Battle of Fontenay _ Louis the German and Charles the Bald defeat Lothar. ... Events Oaths of Strasbourg — alliance of Louis the German and Charles the Bald against emperor Lothar — sworn and recorded in vernacular languages. ... Events Treaty of Verdun divides the Carolingian empire between the 3 sons of Louis the Pious. ... Events Succession of Pope Sergius II (844 - 847). ... This is a list of decades which have articles with more information about them. ... 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. ... Centuries: 8th century - 9th century - 10th century Decades: 810s - 820s - 830s - 840s - 850s - 860s - 870s - 880s - 890s - 900s - 910s Years: 860 861 862 863 864 865 866 867 868 869 Events Rurik establishes the state of Novgorod (later Kievan Rus) Basil I has first caesar Bardas (866), then emperor Michael... Centuries: 8th century - 9th century - 10th century Decades: 820s - 830s - 840s - 850s - 860s - 870s - 880s - 890s - 900s - 910s - 920s Years: 870 871 872 873 874 875 876 877 878 879 Events and trends The Danes invade England (870) and conquer East Anglia. ... 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 that 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. ... 839 state leaders - Events of 840 - 841 state leaders - State leaders by year See also: List of religious leaders in 840 Asia Bohai/Balhae - Da Yizhen/Dae I-jin, King of Bohai/Balhae (830-857) China (Tang Dynasty) - Wenzong, Emperor of Tang China (826-840) Wuzong, Emperor of Tang China... The Gregorian calendar is the most widely used calendar in the world. ... Ab urbe condita (related with Anno urbis conditae: AUC or a. ... Dates are marked by the letters Ô¹ÕŽ or the like, often with a line over, indicating tvin (in the year) followed by one to four letters, each of which stands for a number based on its order in the alphabet. ... The Baháí calendar, common to the Baháí Faith, is a solar calendar with regular years 365 days long and leap years 366 days long as explained within the Kitáb-i-Aqdas. ... The Chinese calendar (Traditional Chinese: , Simplified Chinese: , pinyin: nónglì) is a lunisolar calendar, akin to the Hebrew calendar, incorporating elements of a lunar calendar with those of a solar calendar. ... The Chinese sexagenary cycle (Chinese: ; pinyin: gānzhÄ«) 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 the years, not only in... The Chinese sexagenary cycle (Chinese: ; pinyin: gānzhÄ«) 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 the years, not only in... The Ethiopian calendar (Amharic: የኢትዮጵያ ዘመን አቆጣጠር yeĪtyōṗṗyā zemen āḳoá¹­aá¹­er) or Ethiopic calendar is the principal calendar used in Ethiopia, as well as in Eritrea before it became independent. ... The Hebrew calendar (Hebrew: ) or Jewish calendar is the annual calendar used in Judaism. ... 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. ... The Holocene calendar is a proposal for a calendar reform which aims to solve a number of problems with the current Gregorian Calendar. ... 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 هجری قمری Gāhshomāri-ye Hejri; 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 Islamic... 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. ... Japanese era name (年号, nengō, lit. ... The Julian calendar was introduced in 46 BC by Julius Caesar and came into force in 45 BC (709 ab urbe condita). ... 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

• After the death of Louis the Pious, his sons Lothar, Charles the Bald and Louis the German fight over the division of the Holy Roman Empire, with Lothar succeeding as Emperor.
• Tang Wu Zong succeeds Tang Wen Zong as emperor of China.
• Foundation of Dublin by Vikings.

Louis the Pious, contemporary depiction from 826 as a miles Christi (soldier of Christ), with a poem of Rabanus Maurus overlaid. ... Lothair I Lothair I (German: Lothar, French: Lothaire, Italian: Lotario) (795 – 2 March 855), king of Italy (818 – 855) and Holy Roman Emperor (840 – 855), was the eldest son of the emperor Louis the Pious and his wife Ermengarde of Hesbaye, daughter of Ingerman, duke of Hesbaye. ... Charles the Bald - Detail from a painting in the First Bible of Charles the Bald, painted ca. ... Louis the German (also known as Louis II or Louis the Bavarian or German Ludwig der Deutsche) (804 – August 28, 876), the third son of the emperor Louis the Pious and his first wife, Ermengarde of Hesbaye, was the king of Bavaria from 817, when his father partitioned the empire... The double-headed eagle A portrait of Charlemagne wearing the crown of the Holy Roman Empire (15th century painting by Albrecht Dürer) The Holy Roman Empire was a mainly Germanic conglomeration of lands in Central Europe during the Middle Ages and the early modern period. ... Emperor Tang Wuzong (武宗 814-846), born Li Yan, was a later emperor of the Tang dynasty of China. ... WGS-84 (GPS) Coordinates: 53. ... The name Viking is a loan from the native Scandinavian term for the Norse seafaring warriors who raided the coasts of Scandinavia, Europe and the British Isles from the late 8th century to the 11th century, the period of European history referred to as the Viking Age. ...

Deaths

• June 20 - Louis the Pious, King of the Franks, Emperor of the Holy Roman Empire (b. 778)
• Emperor Junna, Emperor of Japan (b. 786)