1100

1100 (MC) was a leap year starting on Sunday of the Julian calendar, the 1100th year of the Common Era (CE) and Anno Domini (AD) designations, the 100th year of the 2nd millennium, the 100th and last year of the 11th century, and the 1st year of the 1100s decade. As of the start of 1100, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1070s  1080s  1090s  – 1100s –  1110s  1120s  1130s
Years:	1097 1098 1099 – 1100 – 1101 1102 1103

1100 in other calendars

Gregorian calendar	1100 MC
Ab urbe condita	1853
Armenian calendar	549 ԹՎ ՇԽԹ
Assyrian calendar	5850
Balinese saka calendar	1021–1022
Bengali calendar	507
Berber calendar	2050
English Regnal year	13 Will. 2 – 1 Hen. 1
Buddhist calendar	1644
Burmese calendar	462
Byzantine calendar	6608–6609
Chinese calendar	己卯年 (Earth Rabbit) 3796 or 3736     — to — 庚辰年 (Metal Dragon) 3797 or 3737
Coptic calendar	816–817
Discordian calendar	2266
Ethiopian calendar	1092–1093
Hebrew calendar	4860–4861
Hindu calendars
- Vikram Samvat	1156–1157
- Shaka Samvat	1021–1022
- Kali Yuga	4200–4201
Holocene calendar	11100
Igbo calendar	100–101
Iranian calendar	478–479
Islamic calendar	493–494
Japanese calendar	Kōwa 2 (康和２年)
Javanese calendar	1005–1006
Julian calendar	1100 MC
Korean calendar	3433
Minguo calendar	812 before ROC 民前812年
Nanakshahi calendar	−368
Seleucid era	1411/1412 AG
Thai solar calendar	1642–1643
Tibetan calendar	阴土兔年 (female Earth-Rabbit) 1226 or 845 or 73     — to — 阳金龙年 (male Iron-Dragon) 1227 or 846 or 74

Events

• August 5 – Henry I crowned King of England in Westminster Abbey

Births

• May 23 – Emperor Qinzong of China (d. 1161)
• Mary and Eliza Chulkhurst, English conjoined twins (died 1134)
• Gilbert de Clare, 1st Earl of Pembroke (died 1148)

Deaths

• August 2 – William II of England