1099

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1060s  1070s  1080s  – 1090s –  1100s  1110s  1120s
Years:	1096 1097 1098 – 1099 – 1100 1101 1102

1099 in other calendars

Gregorian calendar	1099 MXCIX
Ab urbe condita	1852
Armenian calendar	548 ԹՎ ՇԽԸ
Assyrian calendar	5849
Balinese saka calendar	1020–1021
Bengali calendar	506
Berber calendar	2049
English Regnal year	12 Will. 2 – 13 Will. 2
Buddhist calendar	1643
Burmese calendar	461
Byzantine calendar	6607–6608
Chinese calendar	戊寅年 (Earth Tiger) 3795 or 3735     — to — 己卯年 (Earth Rabbit) 3796 or 3736
Coptic calendar	815–816
Discordian calendar	2265
Ethiopian calendar	1091–1092
Hebrew calendar	4859–4860
Hindu calendars
- Vikram Samvat	1155–1156
- Shaka Samvat	1020–1021
- Kali Yuga	4199–4200
Holocene calendar	11099
Igbo calendar	99–100
Iranian calendar	477–478
Islamic calendar	492–493
Japanese calendar	Jōtoku 3 / Kōwa 1 (康和元年)
Javanese calendar	1003–1005
Julian calendar	1099 MXCIX
Korean calendar	3432
Minguo calendar	813 before ROC 民前813年
Nanakshahi calendar	−369
Seleucid era	1410/1411 AG
Thai solar calendar	1641–1642
Tibetan calendar	阳土虎年 (male Earth-Tiger) 1225 or 844 or 72     — to — 阴土兔年 (female Earth-Rabbit) 1226 or 845 or 73

1099 (MXCIX) was a common year starting on Saturday of the Julian calendar, the 1099th year of the Common Era (CE) and Anno Domini (AD) designations, the 99th year of the 2nd millennium, the 99th year of the 11th century, and the 10th and last year of the 1090s decade. As of the start of 1099, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Taking of Jerusalem by the Crusaders.

Events

• Siege of Jerusalem during the First Crusade:
  • July 8 – 15,000 starving Christian soldiers march around Jerusalem.
  • January 13 – Crusaders set fire to Mara, Syria.
  • July 15 – Christian soldiers under Godfrey of Bouillon, Robert II of Flanders, Raymond IV of Toulouse and Tancred take Jerusalem after a difficult siege, killing nearly every inhabitant.
• August 12– the crusaders defeat the Fatimids at the Battle of Ascalon.