1259
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1259 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1259 in poetry | 
| Gregorian calendar | 1259 MCCLIX | 
| Ab urbe condita | 2012 | 
| Armenian calendar | 708 ԹՎ ՉԸ | 
| Assyrian calendar | 6009 | 
| Balinese saka calendar | 1180–1181 | 
| Bengali calendar | 665–666 | 
| Berber calendar | 2209 | 
| English Regnal year | 43 Hen. 3 – 44 Hen. 3 | 
| Buddhist calendar | 1803 | 
| Burmese calendar | 621 | 
| Byzantine calendar | 6767–6768 | 
| Chinese calendar | 戊午年 (Earth Horse) 3956 or 3749 — to — 己未年 (Earth Goat) 3957 or 3750 | 
| Coptic calendar | 975–976 | 
| Discordian calendar | 2425 | 
| Ethiopian calendar | 1251–1252 | 
| Hebrew calendar | 5019–5020 | 
| Hindu calendars | |
| - Vikram Samvat | 1315–1316 | 
| - Shaka Samvat | 1180–1181 | 
| - Kali Yuga | 4359–4360 | 
| Holocene calendar | 11259 | 
| Igbo calendar | 259–260 | 
| Iranian calendar | 637–638 | 
| Islamic calendar | 656–658 | 
| Japanese calendar | Shōka (era) 3 / Shōgen 1 (正元元年) | 
| Javanese calendar | 1168–1169 | 
| Julian calendar | 1259 MCCLIX | 
| Korean calendar | 3592 | 
| Minguo calendar | 653 before ROC 民前653年 | 
| Nanakshahi calendar | −209 | 
| Thai solar calendar | 1801–1802 | 
| Tibetan calendar | 阳土马年 (male Earth-Horse) 1385 or 1004 or 232 — to — 阴土羊年 (female Earth-Goat) 1386 or 1005 or 233 | 
Year 1259 (MCCLIX) was a common year starting on Wednesday of the Julian calendar.