In deaths:
| March 27th 0922 | | Al-Hallaj al-Mughith-al-Hsayn Mansur, Persian mystic, beheaded at 64
| | March 27th 0965 | | Arnulf I, the Elder/the Great, count of Flanders (918-65), dies
| | March 27th 1211 | | Sancho I, King of Portugal (1185-1211), dies at 56
| | March 27th 1378 | | Gregory XI, [Pierre R the Beaufort], last French Pope (1370-78), dies
| | March 27th 1472 | | Janus Pannonius, Hungarian poet/translator, dies at 37
| | March 27th 1482 | | Maria, duchess of Burgundy/countess of Holland, dies at 25
| | March 27th 1625 | | James I Stuart, king of Scotland (1567)/England (1603-25), dies at 58
| | March 27th 1668 | | Clemens Thieme, composer, dies at 36
| | March 27th 1679 | | Abraham Mignon, Dutch still life painter, dies at 38
| | March 27th 1701 | | Anne Hilarion de Cotentin, count of Tourville/Fr admiral, dies at 58
| | March 27th 1714 | | Anton Ulrich, German duke of Brunswick/poet, dies at 80
| | March 27th 1757 | | Johann Wenzel Anton Stamitz, composer, dies at 39
| | March 27th 1761 | | Johann Ludwig Steiner, composer, dies at 72
| | March 27th 1769 | | Josef Antonin Gurecky, composer, dies at 60
| | March 27th 1770 | | Giovanni B Tiepolo, Italian painter (Banquet of Cleopatra), dies at 73
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