Wikipedia:Àwọn Ìṣẹ̀lẹ̀ Bíi Ọjọ́ Òní/Ọjọ́ 21 Oṣù Kọkànlá
Ọjọ́ 21 Oṣù Kọkànlá: Ọjọ́ Tẹlifísàn Àgbáyé
- 1877 – Thomas Edison announces his invention of the phonograph, a machine that can record and play sound.
- 2004 – The island of Dominica is hit by the most destructive earthquake in its history.
Àwọn ọlọ́jọ́ìbí lóòní...
- 1694 – Voltaire, French philosopher (al. 1778)
- 1853 – Hussein Kamal, Sultan of Egypt (d. 1917)
- 1902 – Isaac Bashevis Singer, Polish American author, Nobel laureate (d. 1991)
Àwọn aláìsí lóòní...
- 1969 – Mutesa II of Buganda, President of Uganda (b. 1924)
- 1970 – C. V. Raman (fọ́tò), Indian physicist, Nobel laureate (b. 1888)
- 1996 – Abdus Salam, Pakistani physicist and Nobel laureate (b. 1926)