1830
calendar year
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1800s 1810s 1820s – 1830s – 1840s 1850s 1860s |
| Years: | 1827 1828 1829 – 1830 – 1831 1832 1833 |
| Gregorian calendar | 1830 MDCCCXXX |
| Ab urbe condita | 2583 |
| Armenian calendar | 1279 ԹՎ ՌՄՀԹ |
| Assyrian calendar | 6580 |
| Balinese saka calendar | 1751–1752 |
| Bengali calendar | 1237 |
| Berber calendar | 2780 |
| British Regnal year | 10 Geo. 4 – 1 Will. 4 |
| Buddhist calendar | 2374 |
| Burmese calendar | 1192 |
| Byzantine calendar | 7338–7339 |
| Chinese calendar | 己丑年 (Earth Ox) 4526 or 4466 — to — 庚寅年 (Metal Tiger) 4527 or 4467 |
| Coptic calendar | 1546–1547 |
| Discordian calendar | 2996 |
| Ethiopian calendar | 1822–1823 |
| Hebrew calendar | 5590–5591 |
| Hindu calendars | |
| - Vikram Samvat | 1886–1887 |
| - Shaka Samvat | 1751–1752 |
| - Kali Yuga | 4930–4931 |
| Holocene calendar | 11830 |
| Igbo calendar | 830–831 |
| Iranian calendar | 1208–1209 |
| Islamic calendar | 1245–1246 |
| Japanese calendar | Bunsei 13 / Tenpō 1 (天保元年) |
| Javanese calendar | 1757–1758 |
| Julian calendar | Gregorian minus 12 days |
| Korean calendar | 4163 |
| Minguo calendar | 82 before ROC 民前82年 |
| Nanakshahi calendar | 362 |
| Thai solar calendar | 2372–2373 |
| Tibetan calendar | 阴土牛年 (female Earth-Ox) 1956 or 1575 or 803 — to — 阳金虎年 (male Iron-Tiger) 1957 or 1576 or 804 |
Events change
- July 27 – The July Revolution begins.
- August 2 – Charles X of France refuses the throne.
- August 9 – Louis Philippe becomes "King of the French".