Template:Selected anniversaries/June 12: Difference between revisions

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File:Paul Guldin.jpg|link=Paul Guldin (nonfiction)|1577: Astronomer and mathematician [[Paul Guldin (nonfiction)|Paul Guldin]] born. He will discover the Guldinus theorem, which determines the surface and the volume of a solid of revolution.
File:Paul Guldin.jpg|link=Paul Guldin (nonfiction)|1577: Astronomer and mathematician [[Paul Guldin (nonfiction)|Paul Guldin]] born. He will discover the Guldinus theorem, which determines the surface and the volume of a solid of revolution.


||1806: John A. Roebling born ... engineer, designed the Brooklyn Bridge.
||1806: John A. Roebling born ... engineer, designed the Brooklyn Bridge. Pic.


||1812: Edmond Hébert born ... geologist and academic.
||1812: Edmond Hébert born ... geologist and academic. Hébert contributed to the knowledge of the Jurassic and older strata, and made the first definite arrangement of the Chalk into palaeontological zones. Pic.


||1817: Maiden ride by Karl von Drais of the bicycle.
||1817: Maiden ride by Karl von Drais of the bicycle.

Revision as of 13:41, 12 June 2019