1109

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

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

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

Events

July 12 – Siege of Tripoli: After a 7-year siege (supported by the Genoese fleet), Tripoli falls to the Crusaders. Fakhr al-Mulk ibn Ammar, qadi of Tripoli, submits to Bertrand of Toulouse (the eldest son of Raymond IV). He establishes the County of Tripoli, the fourth Crusader state in the Middle East. Bertrand deposes Raymond's nephew William II as nominal count of Tripoli, who dies of an arrow wound sustained during the siege.

Summer – Almoravid emir Ali ibn Yusuf organizes a public ritual of penance (auto-da-fé) of the works of Al-Ghazali, in front of the Great Mosque of Cordoba.^[1]
July 1 – Urraca of León becomes queen of León, Castile and Galicia after the death of her father, King Alfonso VI. She marries Alfonso I.
August 10 – Battle of Nakło: Bolesław III leads an expedition into Pomerania. He besieges the castle of Nakło, and defeats a Pomeranian relief force.
August 24
- Siege of Głogów: German forces led by King Henry V besiege Głogów. He is forced to abandon the siege – due to attacks of Polish guerilla warriors.
- Battle of Hundsfeld: Bolesław III defeats the imperial forces under Henry V at Hundsfeld. The Germans are ambushed by the Polish forces.
The Almoravid army, led by Ali ibn Yusuf, fails to reconquer Toledo (lost in 1085).^[2]

Anselm of Laon, French monk and theologian, becomes chancellor of the cathedral at Laon (approximate date).

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