Back 1669 en science French 1669 a tudományban Hungarian Науката во 1669 година Macedonian Vitenskapsåret 1669 NB 1669 na ciência Portuguese 1669 год в науке Russian 1669 nî kho-ha̍k ZH-MIN-NAN
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| 1669 in science |
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| Technology |
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| Paleontology |
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The year 1669 in science and technology involved some significant events.