| Millennium: | 1st millennium |
|---|---|
| Centuries: | 7th century – 8th century – 9th century |
| Decades: | 690s 700s 710s – 720s – 730s 740s 750s |
| Years: | 720 721 722 – 723 – 724 725 726 |
| 723 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 723 DCCXXIII |
| Ab urbe condita | 1476 |
| Armenian calendar | 172 ԹՎ ՃՀԲ |
| Bahá'í calendar | -1121 – -1120 |
| Bengali calendar | 130 |
| Berber calendar | 1673 |
| Buddhist calendar | 1267 |
| Burmese calendar | 85 |
| Byzantine calendar | 6231 – 6232 |
| Chinese calendar | 壬戌年十一月二十日 (3359/3419-11-20) — to —
癸亥年十一月廿九日(3360/3420-11-29) |
| Coptic calendar | 439 – 440 |
| Ethiopian calendar | 715 – 716 |
| Hebrew calendar | 4483 – 4484 |
| Hindu calendars | |
| - Bikram Samwat | 779 – 780 |
| - Shaka Samvat | 645 – 646 |
| - Kali Yuga | 3824 – 3825 |
| Holocene calendar | 10723 |
| Iranian calendar | 101 – 102 |
| Islamic calendar | 104 – 105 |
| Japanese calendar | |
| Korean calendar | 3056 |
| Thai solar calendar | 1266 |