What Happened in 1414
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- Nov 5 Council of Constance (16th ecumenical council) opens
- Nov 7 Jami [Mowlanā Nūr Od-dīn ʿabd Or-raḥmān Ebn Aḥmad], Persian poet (Lava’iḥ), born in Minaret of Jam, Afghanistan (d. 1492)
- Nov 9 Albert III Achilles [Albrecht III], Elector of Brandenburg, born in Tangermünde, Brandenburg, Germany (d. 1486)
- Feb 19 Thomas Arundel, archbishop of Canterbury/chancellor of England, dies
- Aug 6 King Ladislas of Naples (b. 1377)
- Sep 1 William de Ros, 7th Baron de Ros of Helmsley, Lord Treasurer of England (b. 1369)