Nicolaus Copernicus first begins recording his astronomical observations.
Dutch astronomer Johannes Fabricius becomes the first person to observe sunspots as he observes the rising sun through his telescope. Observing the Sun becomes painful, so Fabricius and his father will soon switch to making observations using a camera obscura. Johannes will later become the first to publish information on the phenomena in his book, Narratio de maculis in sole observatis et apparente earum cum sole conversione (“Narration on Spots Observed on the Sun and their Apparent Rotation with the Sun”). The dedication of the book will be dated June 13, 1611.
The Ford Motor Company assembly line produces the first Ford Flathead engine. The Flathead is the first independently designed and built V8 engine to be produced by Ford for mass production.
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