1221

1221 (MCCXXI) was a common year starting on Friday of the Julian calendar, the 1221st year of the Common Era (CE) and Anno Domini (AD) designations, the 221st year of the 2nd millennium, the 21st year of the 13th century, and the 2nd year of the 1220s decade. As of the start of 1221, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1190s  1200s  1210s  – 1220s –  1230s  1240s  1250s
Years:	1218 1219 1220 – 1221 – 1222 1223 1224

1221 in other calendars

Gregorian calendar	1221 MCCXXI
Ab urbe condita	1974
Armenian calendar	670 ԹՎ ՈՀ
Assyrian calendar	5971
Balinese saka calendar	1142–1143
Bengali calendar	628
Berber calendar	2171
English Regnal year	5 Hen. 3 – 6 Hen. 3
Buddhist calendar	1765
Burmese calendar	583
Byzantine calendar	6729–6730
Chinese calendar	庚辰年 (Metal Dragon) 3917 or 3857     — to — 辛巳年 (Metal Snake) 3918 or 3858
Coptic calendar	937–938
Discordian calendar	2387
Ethiopian calendar	1213–1214
Hebrew calendar	4981–4982
Hindu calendars
- Vikram Samvat	1277–1278
- Shaka Samvat	1142–1143
- Kali Yuga	4321–4322
Holocene calendar	11221
Igbo calendar	221–222
Iranian calendar	599–600
Islamic calendar	617–618
Japanese calendar	Jōkyū 3 (承久３年)
Javanese calendar	1129–1130
Julian calendar	1221 MCCXXI
Korean calendar	3554
Minguo calendar	691 before ROC 民前691年
Nanakshahi calendar	−247
Thai solar calendar	1763–1764
Tibetan calendar	阳金龙年 (male Iron-Dragon) 1347 or 966 or 194     — to — 阴金蛇年 (female Iron-Snake) 1348 or 967 or 195

Deaths

• August 6 – Saint Dominic, Spanish founder of the Dominicans (born 1170)
• October 4 – William III Talvas, Count of Ponthieu (born 1179)
• October 21 – Alix of Thouars, Duchess of Brittany (born 1201)
• Roger Bigod, 2nd Earl of Norfolk