1428

1428 (MCDXXVIII) was a leap year starting on Thursday of the Julian calendar, the 1428th year of the Common Era (CE) and Anno Domini (AD) designations, the 428th year of the 2nd millennium, the 28th year of the 15th century, and the 9th year of the 1420s decade. As of the start of 1428, the Gregorian calendar was 9 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	14th century – 15th century – 16th century
Decades:	1390s  1400s  1410s  – 1420s –  1430s  1440s  1450s
Years:	1425 1426 1427 – 1428 – 1429 1430 1431

1428 in other calendars

Gregorian calendar	1428 MCDXXVIII
Ab urbe condita	2181
Armenian calendar	877 ԹՎ ՊՀԷ
Assyrian calendar	6178
Balinese saka calendar	1349–1350
Bengali calendar	835
Berber calendar	2378
English Regnal year	6 Hen. 6 – 7 Hen. 6
Buddhist calendar	1972
Burmese calendar	790
Byzantine calendar	6936–6937
Chinese calendar	丁未年 (Fire Goat) 4124 or 4064     — to — 戊申年 (Earth Monkey) 4125 or 4065
Coptic calendar	1144–1145
Discordian calendar	2594
Ethiopian calendar	1420–1421
Hebrew calendar	5188–5189
Hindu calendars
- Vikram Samvat	1484–1485
- Shaka Samvat	1349–1350
- Kali Yuga	4528–4529
Holocene calendar	11428
Igbo calendar	428–429
Iranian calendar	806–807
Islamic calendar	831–832
Japanese calendar	Ōei 35 / Shocho 1 (正長元年)
Javanese calendar	1343–1344
Julian calendar	1428 MCDXXVIII
Korean calendar	3761
Minguo calendar	484 before ROC 民前484年
Nanakshahi calendar	−40
Thai solar calendar	1970–1971
Tibetan calendar	阴火羊年 (female Fire-Goat) 1554 or 1173 or 401     — to — 阳土猴年 (male Earth-Monkey) 1555 or 1174 or 402

Births

• May 3 – Pedro González de Mendoza, Spanish cardinal and statesman (died 1495)
• September 21 – Jingtai Emperor of China (died 1457)
• Donato Acciaiuoli, Italian scholar (died 1478)
• Abulkhair Khan, Uzbek leader (died 1468)
• Didrik Pining, German explorer (approximate date)
• Leonor of Viseu, Princess and later Queen of Portugal (died 1525)
• Richard Neville, 16th Earl of Warwick, English kingmaker (died 1471)