January 15 in History
It is also Holiday or observance: Martin Luther King Jr. Day of Service and Remembrance. January 15 is Dr. King's birthday. The federal holiday is observed on the third Monday in January; communities honor his leadership in the civil rights movement and often mark the day through service..

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Afonso V of Portugal was born in 1432, while Galba, Roman emperor died in 69.

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Born on January 15
- 1432 — Afonso V of Portugal (died 1481)
- 1462 — Edzard I, Count of East Frisia, German noble (died 1528)
- 1481 — Ashikaga Yoshizumi, Japanese shōgun (died 1511)
Died on January 15
- 69 — Galba, Roman emperor (born 3 BC)
- 378 — Chak Tok Ich'aak I, Mayan ruler
- 570 — Íte of Killeedy, Irish nun and saint (born 475)
Source: Wikipedia historical listings for January 15
Quick answers
What holiday is on January 15? Holiday or observance: Martin Luther King Jr. Day of Service and Remembrance. January 15 is Dr. King's birthday. The federal holiday is observed on the third Monday in January; communities honor his leadership in the civil rights movement and often mark the day through service..
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This calendar is live and has its own date controls; it is separate from the January 15 historical article above.

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