Events
First "Water Cycle" TheoryThe Battle of GaugamelaPriest Urbano d'Aviso (1618-1685)Establishment of PennsylvaniaCharles Le Roy's Dew Point DiscoveryTor Bergeron (1891-1976)Great Depression in full swingAlfred Wegener (1880-1930)The French and Indian War beginsCardinal Nicholas of Cusa creates a water hygrometerThe Renaissance is alive and kickingThe sinking of the TitanicWilliam Cullen diesThe Revolutionary WarJohn Dalton discovers R.H. ratioHaitian fight for independenceJames Ivory uses wet and dry bulb thermometers to determine R.H.Brazil declares independenceJohn Aitken diesThe Boer War ends
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