Wikipedia:Àwọn Ìṣẹ̀lẹ̀ Bíi Ọjọ́ Òní/Ọjọ́ 14 Oṣù Kejì
- 1961 - Lawrencium, is first synthesized at the University of California.
- 1989 – The first of 24 satellites of the Global Positioning System are placed into orbit.
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- 1818 – Frederick Douglass (fọ́tò), American abolitionist (d. 1895)
- 1869 – Charles Wilson, Scottish physicist, Nobel Prize Laureate (d. 1959)
- 1895 – Max Horkheimer, German philosopher and sociologist (d. 1973)
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- 1779 – James Cook, British naval captain and explorer (b. 1728)
- 1943 – David Hilbert, German mathematician (b. 1862)
- 1949 – Yusuf Salman Yusuf, Iraqi-Assyrian communist leader (b. 1901)