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Genealogy | Free Full-Text | Heraldry in Macedonia with Special Regard to the People's/Socialist Republic of Macedonia until 1991 | HTML
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FUN FACT: On this day in 1774, Joseph Priestley officially discovered oxygen through a series of experiments. Breathe in that piec… | Fun facts, Family tree, Oxygen
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Genealogy | Free Full-Text | Heraldry in Macedonia with Special Regard to the People's/Socialist Republic of Macedonia until 1991 | HTML
Oxygen was discovered in 1774 by Joseph Priestley in England and two years earlier, but unpublished, by Carl W. Scheele in Sweden. | Atom model, Oxygen, Atom