1678

Millennium:	2nd millennium
Centuries:	16th century–17th century–18th century
Decades:	1640s1650s1660s–1670s–1680s1690s1700s
Years:	167516761677–1678–167916801681

1678 in othercalendars

Gregorian calendar	1678 MDCLXXVIII
Ab urbe condita	2431
Armenian calendar	1127 ԹՎ ՌՃԻԷ
Assyrian calendar	6428
Balinese saka calendar	1599–1600
Bengali calendar	1085
Berber calendar	2628
English Regnal year	29Cha. 2– 30Cha. 2
Buddhist calendar	2222
Burmese calendar	1040
Byzantine calendar	7186–7187
Chinese calendar	Đinh tịNiên(FireSnake) 4374 or 4314 — to — Mậu ngọ niên(EarthHorse) 4375 or 4315
Coptic calendar	1394–1395
Discordian calendar	2844
Ethiopian calendar	1670–1671
Hebrew calendar	5438–5439
Hindu calendars
-Vikram Samvat	1734–1735
-Shaka Samvat	1599–1600
-Kali Yuga	4778–4779
Holocene calendar	11678
Igbo calendar	678–679
Iranian calendar	1056–1057
Islamic calendar	1088–1089
Japanese calendar	Enpō6 ( diên bảo ６ niên )
Javanese calendar	1600–1601
Julian calendar	Gregorian minus 10 days
Korean calendar	4011
Minguo calendar	234 beforeROC Dân tiền 234 niên
Nanakshahi calendar	210
Thai solar calendar	2220–2221
Tibetan calendar	Âm hỏa xà niên (female Fire-Snake) 1804 or 1423 or 651 — to — Dương thổ mã niên (male Earth-Horse) 1805 or 1424 or 652

1678(MDCLXXVIII) was acommon yearstarting on Saturdayof theGregorian calendarand acommon year starting on Tuesdayof theJulian calendar,the 1678th year of theCommon Era(CE) andAnno Domini(AD) designations, the 678th year of the2nd millennium,the 78th year of the17th century,and the 9th year of the1670sdecade. As of the start of 1678, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.

Events

• January 27– The firstfire enginecompany in what will become theUnited Statesgoes into service.
• February 18–John Bunyanpublishes hisChristianallegoryThe Pilgrim's Progressin London.