1291

Millennium: 2nd millennium
Centuries:
Decades:
Years:
1291 in various calendars
Gregorian calendar1291
MCCXCI
Ab urbe condita2044
Armenian calendar740
ԹՎ ՉԽ
Assyrian calendar6041
Balinese saka calendar1212–1213
Bengali calendar698
Berber calendar2241
English Regnal year19 Edw. 1 – 20 Edw. 1
Buddhist calendar1835
Burmese calendar653
Byzantine calendar6799–6800
Chinese calendar庚寅年 (Metal Tiger)
3988 or 3781
    — to —
辛卯年 (Metal Rabbit)
3989 or 3782
Coptic calendar1007–1008
Discordian calendar2457
Ethiopian calendar1283–1284
Hebrew calendar5051–5052
Hindu calendars
 - Vikram Samvat1347–1348
 - Shaka Samvat1212–1213
 - Kali Yuga4391–4392
Holocene calendar11291
Igbo calendar291–292
Iranian calendar669–670
Islamic calendar689–691
Japanese calendarShōō 4
(正応4年)
Javanese calendar1201–1202
Julian calendar1291
MCCXCI
Korean calendar3624
Minguo calendar621 before ROC
民前621年
Nanakshahi calendar−177
Thai solar calendar1833–1834
Tibetan calendar阳金虎年
(male Iron-Tiger)
1417 or 1036 or 264
    — to —
阴金兔年
(female Iron-Rabbit)
1418 or 1037 or 265
Marshal Matthew of Clermont defends the walls at the Siege of Acre (1840)
Map of Acre (1291) during the siege of the Mamluk campaign (4 April–18 May)

Year 1291 (MCCXCI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.