Back 1409 Abkhazian 1409 Afrikaans 1409 ALS 1409 እ.ኤ.አ. Amharic 1409 AN 1409 Arabic 1409 AST 1409 AVK 1409 Azerbaijani ۱۴۰۹ (میلادی) AZB
| Millennium: | 2nd millennium |
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June 26: Council of Pisa crowns a third Pope, Alexander V, to rival Pope Gregory XIII and Rome's Pope Benedict XIII and Avignon's Pope Benedict XIII
| 1409 by topic |
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| Arts and science |
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1409 in poetry |
| Gregorian calendar | 1409 MCDIX |
| Ab urbe condita | 2162 |
| Armenian calendar | 858 ԹՎ ՊԾԸ |
| Assyrian calendar | 6159 |
| Balinese saka calendar | 1330–1331 |
| Bengali calendar | 815–816 |
| Berber calendar | 2359 |
| English Regnal year | 10 Hen. 4 – 11 Hen. 4 |
| Buddhist calendar | 1953 |
| Burmese calendar | 771 |
| Byzantine calendar | 6917–6918 |
| Chinese calendar | 戊子年 (Earth Rat) 4106 or 3899 — to — 己丑年 (Earth Ox) 4107 or 3900 |
| Coptic calendar | 1125–1126 |
| Discordian calendar | 2575 |
| Ethiopian calendar | 1401–1402 |
| Hebrew calendar | 5169–5170 |
| Hindu calendars | |
| - Vikram Samvat | 1465–1466 |
| - Shaka Samvat | 1330–1331 |
| - Kali Yuga | 4509–4510 |
| Holocene calendar | 11409 |
| Igbo calendar | 409–410 |
| Iranian calendar | 787–788 |
| Islamic calendar | 811–812 |
| Japanese calendar | Ōei 16 (応永１６年) |
| Javanese calendar | 1323–1324 |
| Julian calendar | 1409 MCDIX |
| Korean calendar | 3742 |
| Minguo calendar | 503 before ROC 民前503年 |
| Nanakshahi calendar | −59 |
| Thai solar calendar | 1951–1952 |
| Tibetan calendar | 阳土鼠年 (male Earth-Rat) 1535 or 1154 or 382 — to — 阴土牛年 (female Earth-Ox) 1536 or 1155 or 383 |
Year 1409 (MCDIX) was a common year starting on Tuesday of the Julian calendar.