1178

Millennium:	2nd millennium
Centuries:	11th century 12th century 13th century
Decades:	1150s 1160s 1170s 1180s 1190s
Years:	1175 1176 1177 1178 1179 1180 1181

1178 in various calendars

Gregorian calendar	1178 MCLXXVIII
Ab urbe condita	1931
Armenian calendar	627 ԹՎ ՈԻԷ
Assyrian calendar	5928
Balinese saka calendar	1099–1100
Bengali calendar	585
Berber calendar	2128
English Regnal year	24 Hen. 2 – 25 Hen. 2
Buddhist calendar	1722
Burmese calendar	540
Byzantine calendar	6686–6687
Chinese calendar	丁酉年 (Fire Rooster) 3875 or 3668     — to — 戊戌年 (Earth Dog) 3876 or 3669
Coptic calendar	894–895
Discordian calendar	2344
Ethiopian calendar	1170–1171
Hebrew calendar	4938–4939
Hindu calendars
- Vikram Samvat	1234–1235
- Shaka Samvat	1099–1100
- Kali Yuga	4278–4279
Holocene calendar	11178
Igbo calendar	178–179
Iranian calendar	556–557
Islamic calendar	573–574
Japanese calendar	Jishō 2 (治承２年)
Javanese calendar	1085–1086
Julian calendar	1178 MCLXXVIII
Korean calendar	3511
Minguo calendar	734 before ROC 民前734年
Nanakshahi calendar	−290
Seleucid era	1489/1490 AG
Thai solar calendar	1720–1721
Tibetan calendar	阴火鸡年 (female Fire-Rooster) 1304 or 923 or 151     — to — 阳土狗年 (male Earth-Dog) 1305 or 924 or 152

Year 1178 (MCLXXVIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.

Events

By area

Europe

• July 17 – Provence: Saracen pirates, from the Balearic Islands, raid the benedictine monastery of Saint Honorat on the Lérins Islands and the city of Toulon killing an estimated 300 and taking captives. The surviving captives are free from the Balearic Islands in 1185.
• George III of Georgia defeats a noble revolt and proclaims his daughter Tamar coregent.
• The Portuguese troops conquer Beja from the Almohads.

By topic

Art and science

• June 18 – Five Canterbury monks see what is possibly the Giordano Bruno crater being formed.
• The Sung Document is written, detailing the discovery of "Mu-Lan-Pi" (suggested by some to be California) by Muslim sailors.
• The Chronicle of Gervase of Canterbury is written.
• The Leaning Tower of Pisa begins to lean as the third level is completed.

Births

• Armand de Périgord, Grand Master of the Knights Templar (d. c. 1247)
• Snorri Sturluson, Icelandic historian and politician (d. 1241)
• Thomas I of Savoy (d. 1233), Count of Savoy
• Wuzhun Shifan, Chinese Zen Buddhist monk (d. 1249)

Deaths

• February 17 – Evermode of Ratzeburg, bishop of Ratzeburg
• May 27 – Godfrey van Rhenen, bishop of Utrecht