Wikipedia:Àwọn Ìṣẹ̀lẹ̀ Bíi Ọjọ́ Òní/Ọjọ́ 31 Oṣù Keje
- 1992 – Georgia joins the United Nations.
- 2006 – Fidel Castro hands over power temporarily to brother Raúl Castro.
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- 1880 – Munshi Premchand, Indian Author (d. 1936)
- 1926 – Hilary Putnam, American philosopher
- 1956 – Deval Patrick, American politician, 71st governor of Massachusetts
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- 1556 – Ignatius Loyola, Spanish priest and founder of the Jesuits (b. 1491)
- 1784 – Denis Diderot, French philosopher and encylopedist (b. 1713)
- 1875 – Andrew Johnson, 17th President of the United States (b. 1808)