Wikipedia:Àwọn Ìṣẹ̀lẹ̀ Bíi Ọjọ́ Òní/Ọjọ́ 15 Oṣù Kejì
Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́
- 1950 – The Soviet Union and the People's Republic of China sign a mutual defense treaty.
- 2005 – YouTube, the Internet site on which videos may be shared and viewed by others, is launched in the United States.
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- 1564 – Galileo Galilei, Italian astronomer and physicist (d. 1642)
- 1748 – Jeremy Bentham, English philosopher (d. 1832)
- 1861 – Alfred North Whitehead, English mathematician and philosopher (d. 1947)
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