| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1826 by topic |
|---|
| Humanities |
| By country |
| Other topics |
| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
| Works category |
| Gregorian calendar | 1826 MDCCCXXVI |
| Ab urbe condita | 2579 |
| Armenian calendar | 1275 ԹՎ ՌՄՀԵ |
| Assyrian calendar | 6576 |
| Balinese saka calendar | 1747–1748 |
| Bengali calendar | 1233 |
| Berber calendar | 2776 |
| British Regnal year | 6 Geo. 4 – 7 Geo. 4 |
| Buddhist calendar | 2370 |
| Burmese calendar | 1188 |
| Byzantine calendar | 7334–7335 |
| Chinese calendar | 乙酉年 (Wood Rooster) 4523 or 4316 — to — 丙戌年 (Fire Dog) 4524 or 4317 |
| Coptic calendar | 1542–1543 |
| Discordian calendar | 2992 |
| Ethiopian calendar | 1818–1819 |
| Hebrew calendar | 5586–5587 |
| Hindu calendars | |
| - Vikram Samvat | 1882–1883 |
| - Shaka Samvat | 1747–1748 |
| - Kali Yuga | 4926–4927 |
| Holocene calendar | 11826 |
| Igbo calendar | 826–827 |
| Iranian calendar | 1204–1205 |
| Islamic calendar | 1241–1242 |
| Japanese calendar | Bunsei 9 (文政９年) |
| Javanese calendar | 1753–1754 |
| Julian calendar | Gregorian minus 12 days |
| Korean calendar | 4159 |
| Minguo calendar | 86 before ROC 民前86年 |
| Nanakshahi calendar | 358 |
| Thai solar calendar | 2368–2369 |
| Tibetan calendar | 阴木鸡年 (female Wood-Rooster) 1952 or 1571 or 799 — to — 阳火狗年 (male Fire-Dog) 1953 or 1572 or 800 |
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1826 (MDCCCXXVI) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1826th year of the Common Era (CE) and Anno Domini (AD) designations, the 826th year of the 2nd millennium, the 26th year of the 19th century, and the 7th year of the 1820s decade. As of the start of 1826, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.