643

643 in variouscalendars
Gregorian calendar	643; DCXLIII
Ab urbe condita	1396
Armenian calendar	92; ԹՎ ՂԲ
Assyrian calendar	5393
Balinese saka calendar	564–565
Bengali calendar	50
Berber calendar	1593
Buddhist calendar	1187
Burmese calendar	5
Byzantine calendar	6151–6152
Chinese calendar	Nhâm DầnNăm (WaterTiger); 3340 or 3133; — to —; Quý Mão năm (WaterRabbit); 3341 or 3134
Coptic calendar	359–360
Discordian calendar	1809
Ethiopian calendar	635–636
Hebrew calendar	4403–4404
Hindu calendars
-Vikram Samvat	699–700
-Shaka Samvat	564–565
-Kali Yuga	3743–3744
Holocene calendar	10643
Iranian calendar	21–22
Islamic calendar	22–23
Japanese calendar	N/A
Javanese calendar	533–535
Julian calendar	643; DCXLIII
Korean calendar	2976
Minguo calendar	1269 beforeROC; Dân trước 1269 năm
Nanakshahi calendar	−825
Seleucid era	954/955AG
Thai solar calendar	1185–1186
Tibetan calendar	Dương thủy hổ năm; (male Water-Tiger); 769 or 388 or −384; — to —; Âm thủy thỏ năm; (female Water-Rabbit); 770 or 389 or −383

Millennium:	1st millennium
Centuries:	6th century; 7th century; 8th century;
Decades:	620s; 630s; 640s; 650s; 660s;
Years:	640; 641; 642; 643; 644; 645; 646;

Year643(DCXLIII) was acommon year starting on Wednesday(link will display the full calendar) of theJulian calendar.The denomination 643 for this year has been used since the early medieval period, when theAnno Domini calendar erabecame the prevalent method in Europe for naming years.

Events

EmperorConstans IIrecognisesTheodore Rshtunias ruler ofArmenia,after his successful campaign against theMuslims.He names him commander (nakharar) of the Armenian army.
Maurikiosnames himselfdux of Rome,and revolts against exarchIsaac(Exarchate of Ravenna). He declaresRome's independence from the Exarchate and from theByzantine Empire.

KingRothariof theLombardsissues theEdictum Rothari,which is the first codification of Lombard law (written inLatin). Theedictguarantees rights only for Lombard subjects.
DukeLeuthari IIhasOtto,mayor of the palaceofAustrasia,murdered. He is succeeded byGrimoald the Elder,the eldest son ofPepin of Landen.

KingCynegils of Wessexdies after a 32-year reign, and is succeeded by his sonCenwalh(who is stillpagan); he marries the sister of KingPenda of Mercia(approximate date).

Peroz III,son ofYazdegerd III,the lastSassanidking ofPersia,flees to territory under the control of theTang dynastyinChina(approximate date).

Arab–Byzantine War:Arabarmies continue their military expansion intoNorth Africaand laysiegetoTripoli.The city is captured after one month.
'Amr ibn al-'Assends a detachment toSabratha(modernLibya). The city puts up feeble resistance, but soon surrenders and agrees to payJizya.

Chineseprefecturalgovernment officials travel to the capital ofChang'an,to give the annual report of the affairs in their districts. EmperorTaizongdiscovers that many have no proper quarters to rest in, and are renting rooms withmerchants.Therefore, Taizong orders the government agencies in charge ofmunicipalconstruction to build every visiting official his own privatemansionin the capital.
A Chineseembassyis sent to the NorthIndian Empire.They are invited by EmperorHarsha,who holds aBuddhistconvocation at the capitalKannauj,which is attended by 20 kings and thousands ofpilgrims.^[1]
Taizong commissions artistYan Libento paint the life-size portraits of 24 government officials in theLingyan Pavilion,to commemorate their service and contributions to the founding of the Tang dynasty.

^Watters, Thomas. "On Yuan Chwang's Travels in India". Two volumes. 1904–1905, Royal Asiatic Society, London. One volume reprint: Munshiram Manoharlal, Delhi, 1973, pp. 343–344