1109

Millennium:	2nd millennium
Centuries:	11th century 12th century 13th century
Decades:	1080s 1090s 1100s 1110s 1120s
Years:	1106 1107 1108 1109 1110 1111 1112

1109 in various calendars

Gregorian calendar	1109 MCIX
Ab urbe condita	1862
Armenian calendar	558 ԹՎ ՇԾԸ
Assyrian calendar	5859
Balinese saka calendar	1030–1031
Bengali calendar	516
Berber calendar	2059
English Regnal year	9 Hen. 1 – 10 Hen. 1
Buddhist calendar	1653
Burmese calendar	471
Byzantine calendar	6617–6618
Chinese calendar	戊子年 (Earth Rat) 3806 or 3599     — to — 己丑年 (Earth Ox) 3807 or 3600
Coptic calendar	825–826
Discordian calendar	2275
Ethiopian calendar	1101–1102
Hebrew calendar	4869–4870
Hindu calendars
- Vikram Samvat	1165–1166
- Shaka Samvat	1030–1031
- Kali Yuga	4209–4210
Holocene calendar	11109
Igbo calendar	109–110
Iranian calendar	487–488
Islamic calendar	502–503
Japanese calendar	Tennin 2 (天仁２年)
Javanese calendar	1014–1015
Julian calendar	1109 MCIX
Korean calendar	3442
Minguo calendar	803 before ROC 民前803年
Nanakshahi calendar	−359
Seleucid era	1420/1421 AG
Thai solar calendar	1651–1652
Tibetan calendar	阳土鼠年 (male Earth-Rat) 1235 or 854 or 82     — to — 阴土牛年 (female Earth-Ox) 1236 or 855 or 83

Year 1109 (MCIX) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.

Events

By area

Africa

• The Almoravid Ali ibn Yusuf organizes an auto-da-fé of the works of Al-Ghazali in front of the great mosque of Cordoba.

Asia

• The Crusaders capture Tripoli and Beirut.

Europe

• Fulk V becomes Count of Anjou.
• August 10 – Battle of Nakło: The Poles, led by Bolesław III Wrymouth, defeat the Pomeranians.
• August 24 – Battle of Głogów: The Poles defeat the Holy Roman Empire.
• August 24 – Battle of Hundsfeld: The Poles again defeat the Holy Roman Empire.
• Alfonso I of Aragon marries Urraca of Castile.
• The Almoravid army led by Ali ibn Yusuf fails to reconquer Toledo (lost in 1085).

By topic

Education

• Anselm of Laon becomes chancellor of Laon.

Births

• July 25 – King Afonso I of Portugal (d. 1185; birthdate disputed)

Deaths

• April 21 – Anselm of Canterbury, Archbishop of Canterbury
• April 28 – Abbot Hugh of Cluny (b. 1024)
• July 1 – King Alfonso VI of Castile (b. 1040)
• William-Jordan, Count of Cerdagne and Tripoli