728 BC

Millennium:	1st millennium BC
Centuries:	9th century BC 8th century BC 7th century BC
Decades:	740s BC 730s BC 720s BC 710s BC 700s BC
Years:	731 BC 730 BC 729 BC 728 BC 727 BC 726 BC 725 BC

728 BC in various calendars

Gregorian calendar	728 BC DCCXXVIII BC
Ab urbe condita	26
Ancient Egypt era	XXV dynasty, 25
- Pharaoh	Piye, 25
Ancient Greek era	13th Olympiad (victor)¹
Assyrian calendar	4023
Balinese saka calendar	N/A
Bengali calendar	−1320
Berber calendar	223
Buddhist calendar	−183
Burmese calendar	−1365
Byzantine calendar	4781–4782
Chinese calendar	壬子年 (Water Rat) 1970 or 1763     — to — 癸丑年 (Water Ox) 1971 or 1764
Coptic calendar	−1011 – −1010
Discordian calendar	439
Ethiopian calendar	−735 – −734
Hebrew calendar	3033–3034
Hindu calendars
- Vikram Samvat	−671 – −670
- Shaka Samvat	N/A
- Kali Yuga	2373–2374
Holocene calendar	9273
Iranian calendar	1349 BP – 1348 BP
Islamic calendar	1390 BH – 1389 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1606
Minguo calendar	2639 before ROC 民前2639年
Nanakshahi calendar	−2195
Thai solar calendar	−185 – −184
Tibetan calendar	阳水鼠年 (male Water-Rat) −601 or −982 or −1754     — to — 阴水牛年 (female Water-Ox) −600 or −981 or −1753

Deaths

• Tiglath-Pileser III, king of Assyria (or 727)