1020

Millennium:	2nd millennium
Centuries:	10th century 11th century 12th century
Decades:	1000s 1010s 1020s 1030s 1040s
Years:	1017 1018 1019 1020 1021 1022 1023

1020 in various calendars

Gregorian calendar	1020 MXX
Ab urbe condita	1773
Armenian calendar	469 ԹՎ ՆԿԹ
Assyrian calendar	5770
Balinese saka calendar	941–942
Bengali calendar	427
Berber calendar	1970
English Regnal year	N/A
Buddhist calendar	1564
Burmese calendar	382
Byzantine calendar	6528–6529
Chinese calendar	己未年 (Earth Goat) 3717 or 3510     — to — 庚申年 (Metal Monkey) 3718 or 3511
Coptic calendar	736–737
Discordian calendar	2186
Ethiopian calendar	1012–1013
Hebrew calendar	4780–4781
Hindu calendars
- Vikram Samvat	1076–1077
- Shaka Samvat	941–942
- Kali Yuga	4120–4121
Holocene calendar	11020
Igbo calendar	20–21
Iranian calendar	398–399
Islamic calendar	410–411
Japanese calendar	Kannin 4 (寛仁４年)
Javanese calendar	922–923
Julian calendar	1020 MXX
Korean calendar	3353
Minguo calendar	892 before ROC 民前892年
Nanakshahi calendar	−448
Seleucid era	1331/1332 AG
Thai solar calendar	1562–1563
Tibetan calendar	阴土羊年 (female Earth-Goat) 1146 or 765 or −7     — to — 阳金猴年 (male Iron-Monkey) 1147 or 766 or −6

Year 1020 (MXX) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar.

Events

By place

Asia

• Goryeo and the Liao Dynasty exchange embassies following a seven-year territorial dispute.
• The massive Kandariya Mahadeva Hindu Temple is completed in the Chandela capital of Khajuraho.

Europe

• The city of Saint-Germain-en-Laye is founded.
• Henry II of Germany conducts his third Italian military campaign .
• Canute the Great codifies the laws of England.

Births

• Zhang Zai, Song Dynasty Chinese Neo-Confucian philosopher and cosmologist (d. 1077)
• Su Song, famous Song Dynasty Chinese scientist and engineer (d. 1101)

Deaths

• June 12 – Lyfing, Archbishop of Canterbury
• Ferdowsi Tousi, Persian epic poet (b. 935)
• Leif Ericson, Icelandic explorer
• Fan Kuan, Chinese landscape painter