1023

1023 in other calendars
Gregorian calendar	1023; MXXIII
Ab urbe condita	1776
Armenian calendar	472; ԹՎ ՆՀԲ
Assyrian calendar	5773
Balinese saka calendar	944–945
Bengali calendar	430
Berber calendar	1973
English Regnal year	N/A
Buddhist calendar	1567
Burmese calendar	385
Byzantine calendar	6531–6532
Chinese calendar	壬戌年 (Water Dog); 3719 or 3659; — to —; 癸亥年 (Water Pig); 3720 or 3660
Coptic calendar	739–740
Discordian calendar	2189
Ethiopian calendar	1015–1016
Hebrew calendar	4783–4784
Hindu calendars
- Vikram Samvat	1079–1080
- Shaka Samvat	944–945
- Kali Yuga	4123–4124
Holocene calendar	11023
Igbo calendar	23–24
Iranian calendar	401–402
Islamic calendar	413–414
Japanese calendar	Jian 3; (治安３年)
Javanese calendar	925–926
Julian calendar	1023; MXXIII
Korean calendar	3356
Minguo calendar	889 before ROC; 民前889年
Nanakshahi calendar	−445
Seleucid era	1334/1335 AG
Thai solar calendar	1565–1566
Tibetan calendar	阳水狗年; (male Water-Dog); 1149 or 768 or −4; — to —; 阴水猪年; (female Water-Pig); 1150 or 769 or −3

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	990s 1000s 1010s – 1020s – 1030s 1040s 1050s
Years:	1020 1021 1022 – 1023 – 1024 1025 1026

1023 (MXXIII) was a common year starting on Tuesday of the Julian calendar, the 1023rd year of the Common Era (CE) and Anno Domini (AD) designations, the 23rd year of the 2nd millennium, the 23rd year of the 11th century, and the 4th year of the 1020s decade. As of the start of 1023, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

The Judge-Governor of Seville takes advantage of the break up of the Caliphate of Córdoba, and takes power as Abbad I, founding the Abbadid dynasty.
Abd ar-Rahman V becomes Caliph at Córdoba.

Soon after returning from Mecca, the Tarsina king of Zanata, a mountain kingdom between Algeria and Morocco, is killed in battle.