Year
The world in 820
In 820 the atlas holds 207 states standing across 5 regions. 10 people were born and 3 died.
Only what Wikidata dates to the year is counted here; a thing dated to its decade is on the 820s page, and to its century on the 9th century.
Born and died
By how many Wikipedias write about them.
Born in 820 10
- Pope John VIII · writer · 820 – 882
- Photios I of Constantinople · philosopher · 820 – 900
- Al-Baladhuri · poet · 820 – 892
- Ibn Khordadbeh · writer · 820 – 912
- Álmos · person · 820 – 895
- Ashot I of Armenia · monarch · 820 – 890
- Vímara Peres · military personnel · 820 – 873
- Rhodri Mawr · monarch · 820 – 878
- Godfrid Haraldsson · commander · 820 – 856
- Isembard, Count of Autun · ruler · 820 – 858
Died in 820 3
- Adi Shankara · philosopher · 788 – 820
- Al-Shafi'i · theologian · 767 – 820
- Emperor Xianzong of Tang · ruler · 778 – 820
Standing in 820
The states the atlas holds as standing that year, by region, the best known first, with who held the highest office where the record dates it.
Europe96 states
- France · 481 – present
- Denmark · 800 – present · Harald Klak, Monarch of Denmark since 819
- San Marino · 301 – present
- Vikings · 793 – 1332
- Goths · 100 – 1475
- Republic of Venice · 697 – 1797 · Agnello Participazio, Doge of Venice since 810
- Papal States · 754 – 1870 · Paschal I, Pope since 817
- Francia · 481 – 843 · Louis the Pious, king of Franks since 814
- Kingdom of Wessex · 519 – 927
- Volga Bulgaria · 601 – 1240 · Aidar, Volga Bulgarian elteber since 815
and 86 more; every state of Europe.
Middle East and North Africa28 states
- Byzantine Empire · 285 – 1453 · Leo V the Armenian, Byzantine emperor since 813 and Michael II, Byzantine emperor since 820
- Abbasid Caliphate · 750 – 1258 · Al-Ma'mun, Abbasid caliph since 813
- Rhodes · 188 BCE – 1249 CE
- Persian Empire · 550 BCE – 1979 CE
- Kingdom of Aksum · 401 BCE – 960 CE
- Ghana Empire · 100 – 1200
- Umayyad state of Córdoba · 756 – 929 · Al-Hakam I, emir of Cordoba since 796
- Aghlabid dynasty · 800 – 909 · Ziyadat Allah I of Ifriqiya, Emir of Ifriqiya since 817
- Idrisid dynasty · 788 – 974
- Ifriqiya · 703 – 1705 · Ziyadat Allah I of Ifriqiya, Emir of Ifriqiya since 817
and 18 more; every state of Middle East and North Africa.
South Asia30 states
- Chola dynasty · 300 BCE – 1279 CE
- Tibetan Empire · 618 – 842 · Ralpachen, emperor since 815
- Pala Empire · 750 – 1174 · Devapala, emperor since 820
- Pallava dynasty · 275 – 897 · Dantivarman, Pallava emperor since 795
- Pandya dynasty · 300 BCE – 1650 CE
- Rashtrakuta Empire · 753 – 982 · Amoghavarsha I, Rashtrakuta emperor since 814
- Samanid Empire · 819 – 999 · Ahmad ibn Asad, Amir of the Samanids since 819
- Kingdom of Khotan · 56 – 1006
- Pratihara dynasty · 800 – 1036
- Chera dynasty · 800 – 1102
and 20 more; every state of South Asia.
East and Southeast Asia26 states
- Tang dynasty · 618 – 907 · Emperor Xianzong of Tang, Emperor of China since 805
- Khmer Empire · 802 – 1431 · Jayavarman II, King of the Khmer Empire since 802
- Srivijaya · 650 – 1377
- Silla · 57 BCE – 892 CE
- Champa · 192 – 1832 · Vikrantavarman III, king since 820
- Heian period · 794 – 1185
- Uyghur Khaganate · 744 – 840 · Pao-i Khan, khagan since 808
- Parhae · 698 – 926 · Seon of Balhae, king since 818
- Pyu city-states · 201 BCE – 1050 CE
- Kingdom of Nanzhao · 738 – 902
and 16 more; every state of East and Southeast Asia.
Americas and Oceania10 states
- Maya civilization · 2001 BCE – 1521 CE
- Zapotec civilization · 6701 BCE – 1201 CE
- Sican culture · 700 – 1375
- Tiwanaku polity · 300 – 1150
- Wari Empire · 600 – 1100
- Classic Veracruz culture · 555 – 1235
- United Provinces of New Granada · 181 – 1816
- Muisca Confederations · 800 – 1540
- Toltec Empire · 674 – 1122
- Kingdom of Nicoya · 800 – 1520
Location unknown17 states
- Alania · 801 – 1201
- Avar Khaganate · 562 – 828
- Langkasuka · 100 – 1500
- Zunbil dynasty · 650 – 870
- Möng Mao · 560 – 1604
- Oddiyana · 401 BCE – 1100 CE
- Chavda dynasty · 690 – 942
- Dál nAraidi · 550 – 1150
- Airgíalla · 331 – 1585
- Kingdom of Munster · 101 BCE – 1138 CE
and 7 more; every state of Location unknown.
Open in the atlas
- On the timeline, 795 – 845: every state, war and life of 820 and the years either side, region by region.
- On the map in 820: the borders of the year, its cities under their names of the year, and what happened where.
Wikidata (CC0) · data built 2026-10-07 · Pastlas v2.13.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.