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Hydrogen was first founded in England in 1766.
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Beryllium was discovered in 1797
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Lithium was discovered in 1817
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Helium was discovered during a solar eclipse in 1868
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It was discovered BC
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.