1343

Millennium:	2nd millennium
Centuries:	13th century 14th century 15th century
Decades:	1320s 1330s 1340s 1350s 1360s
Years:	1340 1341 1342 1343 1344 1345 1346

1343 in various calendars

Gregorian calendar	1343 MCCCXLIII
Ab urbe condita	2096
Armenian calendar	792 ԹՎ ՉՂԲ
Assyrian calendar	6093
Balinese saka calendar	1264–1265
Bengali calendar	749–750
Berber calendar	2293
English Regnal year	16 Edw. 3 – 17 Edw. 3
Buddhist calendar	1887
Burmese calendar	705
Byzantine calendar	6851–6852
Chinese calendar	壬午年 (Water Horse) 4040 or 3833     — to — 癸未年 (Water Goat) 4041 or 3834
Coptic calendar	1059–1060
Discordian calendar	2509
Ethiopian calendar	1335–1336
Hebrew calendar	5103–5104
Hindu calendars
- Vikram Samvat	1399–1400
- Shaka Samvat	1264–1265
- Kali Yuga	4443–4444
Holocene calendar	11343
Igbo calendar	343–344
Iranian calendar	721–722
Islamic calendar	743–744
Japanese calendar	Kōei 2 (康永２年)
Javanese calendar	1255–1256
Julian calendar	1343 MCCCXLIII
Korean calendar	3676
Minguo calendar	569 before ROC 民前569年
Nanakshahi calendar	−125
Thai solar calendar	1885–1886
Tibetan calendar	阳水马年 (male Water-Horse) 1469 or 1088 or 316     — to — 阴水羊年 (female Water-Goat) 1470 or 1089 or 317

Year 1343 (MCCCXLIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.

Events

January–December

• January 27 – Pope Clement VI issues his Bull Unigenitus, defining the doctrine of "The Treasury of Merits" or "The Treasury of the Church" as the basis for the issuance of indulgences by the Catholic Church.
• April 23 – The St. George's Night Uprising occurs in Estonia (-1345).
• May 4 – The four Estonian kings are murdered at the negotiations with the Livonian Order
• August 15 – Magnus IV of Sweden abdicates from the throne of Norway in favor of his son Haakon VI of Norway. However Haakon is still a minor, allowing Magnus to remain de facto ruler.
• August 31 – A naval league is formed between the Pope, the Republic of Venice, the Knights Hospitaller and the Kingdom of Cyprus, to prepare the Smyrniote crusades.
• November 25 – A tsunami, caused by an earthquake, devastates the Maritime Republic of Amalfi, among other places.

Births

• July 23 – Thomas Percy, 1st Earl of Worcester, English rebel (d. 1403)
• date unknown
  • Emperor Chokei of Japan (d. 1394)
  • Constance of Aragon, queen consort of Sicily (d. 1363)
  • Tommaso Mocenigo, doge of Venice (d. 1423)
  • Paolo Alboino della Scala, lord of Verona (d. 1375)
  • Alexander Stewart, 1st Earl of Buchan (d. 1394)
• probable – Geoffrey Chaucer, English poet (approximate date) (d. 1400)

Deaths

• January 20 – Robert of Naples (b. 1277)
• May 29 – Francesco I Manfredi, lord of Faenza
• June 22 – Aimone, Count of Savoy (b. 1291)
• June 23 – Giacomo Gaetani Stefaneschi, Italian cardinal (b. c. 1270)
• September 16 – Philip III of Navarre (b. 1306)
• December 15 – Hasan Kucek, Chobanid prince (b. c. 1319)
• date unknown
  • Sir Ulick Burke, Irish nobleman
  • Veera Ballala III, ruler of the Hoysala Empire (b. 1291)