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577 in various calendars
Gregorian calendar	577; DLXXVII
Ab urbe condita	1330
Armenian calendar	26; ԹՎ ԻԶ
Assyrian calendar	5327
Balinese saka calendar	498–499
Bengali calendar	−16
Berber calendar	1527
Buddhist calendar	1121
Burmese calendar	−61
Byzantine calendar	6085–6086
Chinese calendar	丙申年 (Fire Monkey); 3274 or 3067; — to —; 丁酉年 (Fire Rooster); 3275 or 3068
Coptic calendar	293–294
Discordian calendar	1743
Ethiopian calendar	569–570
Hebrew calendar	4337–4338
Hindu calendars
- Vikram Samvat	633–634
- Shaka Samvat	498–499
- Kali Yuga	3677–3678
Holocene calendar	10577
Iranian calendar	45 BP – 44 BP
Islamic calendar	46 BH – 45 BH
Javanese calendar	465–467
Julian calendar	577; DLXXVII
Korean calendar	2910
Minguo calendar	1335 before ROC; 民前1335年
Nanakshahi calendar	−891
Seleucid era	888/889 AG
Thai solar calendar	1119–1120
Tibetan calendar	阳火猴年; (male Fire-Monkey); 703 or 322 or −450; — to —; 阴火鸡年; (female Fire-Rooster); 704 or 323 or −449

Millennium:	1st millennium
Centuries:	5th century; 6th century ; 7th century;
Decades:	550s; 560s; 570s ; 580s; 590s;
Years:	574; 575; 576; 577 ; 578; 579; 580;

Year 577 (DLXXVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 577 for this year has been used since early medieval times, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

Byzantine–Sassanid War: A Byzantine expeditionary force under command of Justinian (magister militum) invades Caucasian Albania, launching raids across the Caspian Sea against the Persians.
Summer – Tiberius, Byzantine co-ruler (Caesar), establishes a naval base at Derbent on the Caspian Sea to construct a Byzantine fleet (approximate date).
Winter – Maurice is appointed commander-in-chief of the Byzantine army in the East. He succeeds Justinian, despite complete lack of military experience.

Battle of Deorham: The Anglo-Saxons under Ceawlin of Wessex invade the lower Severn Valley, and defeat the British Celts at Dyrham (South West England). After the battle, the Saxons occupy the three cities: Cirencester, Gloucester and Bath, bringing their advance to the Bristol Channel (according to the Anglo-Saxon Chronicle).
Reccopolis (modern Zorita de los Canes) in Hispania is founded by King Liuvigild, in honour of his son Reccared.^[1]

Winter – Northern Qi, one of the Northern Dynasties, is conquered by Northern Zhou under Emperor Wu Di. He orders the last ruler (Gao Wei) and other members of the Gao clan to commit suicide. Northern China, above the Yangtze River, is once again brought under the control of a single power.^[2]

The Temple of Dendur, dedicated to the Egyptian gods Isis, Harpocrates (Horus) and Osiris, is converted for use as a Christian church (approximate date).
Eutychius is restored as patriarch of Constantinople, after an exile of 12 years at Amasia (modern Turkey).^[3]
Muhammad, age 6, returns to his immediate family, but within a year his mother Aminah bint Wahb dies.

A predecessor of the modern match, small sticks of pinewood impregnated with sulfur, are first used in China. Besieged by military forces of Northern Zhou and Chen, Northern Qi court ladies use the "lighting sticks" to start fires for cooking and heating.^[4]

^ GRIG, LUCY (March 19, 2013). "Cities in the 'long' Late Antiquity, 2000–2012 – a survey essay". Urban History. 40 (3): 554–566. doi:10.1017/s0963926813000369. ISSN 0963-9268. S2CID 144860106.
^ Imperial Chinese Armies (p. 23). C.J. Peers, 1995. ISBN 978-1-85532-514-2
^ Sinclair, W. M. (1911). "Eutychius" . In Wace, Henry; Piercy, William C. (eds.). Dictionary of Christian Biography and Literature to the End of the Sixth Century (3rd ed.). London: John Murray.
^ Temple, Robert (1986). The Genius of China: 3,000 Years of Science, Discovery, and Invention. New York: Simon and Schuster, Inc. p. 98. ISBN 0-671-62028-2.

Gregorian calendar	577 DLXXVII
Ab urbe condita	1330
Armenian calendar	26 ԹՎ ԻԶ
Assyrian calendar	5327
Balinese saka calendar	498–499
Bengali calendar	−16
Berber calendar	1527
Buddhist calendar	1121
Burmese calendar	−61
Byzantine calendar	6085–6086
Chinese calendar	丙申年 (Fire Monkey) 3274 or 3067 — to — 丁酉年 (Fire Rooster) 3275 or 3068
Coptic calendar	293–294
Discordian calendar	1743
Ethiopian calendar	569–570
Hebrew calendar	4337–4338
Hindu calendars
- Vikram Samvat	633–634
- Shaka Samvat	498–499
- Kali Yuga	3677–3678
Holocene calendar	10577
Iranian calendar	45 BP – 44 BP
Islamic calendar	46 BH – 45 BH
Javanese calendar	465–467
Julian calendar	577 DLXXVII
Korean calendar	2910
Minguo calendar	1335 before ROC 民前1335年
Nanakshahi calendar	−891
Seleucid era	888/889 AG
Thai solar calendar	1119–1120
Tibetan calendar	阳火猴年 (male Fire-Monkey) 703 or 322 or −450 — to — 阴火鸡年 (female Fire-Rooster) 704 or 323 or −449