997

997 (CMXCVII) was a common year starting on Friday of the Julian calendar, the 997th year of the Common Era (CE) and Anno Domini (AD) designations, the 997th year of the 1st millennium, the 97th year of the 10th century, and the 8th year of the 990s decade. As of the start of 997, the Gregorian calendar was 5 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	9th century – 10th century – 11th century
Decades:	960s  970s  980s  – 990s –  1000s  1010s  1020s
Years:	994 995 996 – 997 – 998 999 1000

997 in other calendars

Gregorian calendar	997 CMXCVII
Ab urbe condita	1750
Armenian calendar	446 ԹՎ ՆԽԶ
Assyrian calendar	5747
Balinese saka calendar	918–919
Bengali calendar	404
Berber calendar	1947
Buddhist calendar	1541
Burmese calendar	359
Byzantine calendar	6505–6506
Chinese calendar	丙申年 (Fire Monkey) 3693 or 3633     — to — 丁酉年 (Fire Rooster) 3694 or 3634
Coptic calendar	713–714
Discordian calendar	2163
Ethiopian calendar	989–990
Hebrew calendar	4757–4758
Hindu calendars
- Vikram Samvat	1053–1054
- Shaka Samvat	918–919
- Kali Yuga	4097–4098
Holocene calendar	10997
Iranian calendar	375–376
Islamic calendar	386–387
Japanese calendar	Chōtoku 3 (長徳３年)
Javanese calendar	898–899
Julian calendar	997 CMXCVII
Korean calendar	3330
Minguo calendar	915 before ROC 民前915年
Nanakshahi calendar	−471
Seleucid era	1308/1309 AG
Thai solar calendar	1539–1540
Tibetan calendar	阳火猴年 (male Fire-Monkey) 1123 or 742 or −30     — to — 阴火鸡年 (female Fire-Rooster) 1124 or 743 or −29

Deaths

• April 23 – Saint Adalbert of Prague (martyred)