Gustav Heinrich Johann Apollon Tammann, Russian-German chemist and physicist (d. 1938)
Gustav Heinrich Johann Apollon Tammann (9 June [O.S. 28 May] 1861 – 17 December 1938) was a prominent Baltic German chemist-physicist who made important contributions in the fields of glassy and solid solutions, heterogeneous equilibria, crystallization, and metallurgy.

1861Jun, 9
Gustav Heinrich Johann Apollon Tammann
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Events on 1861
- 21Jan
Jefferson Davis
American Civil War: Jefferson Davis resigns from the United States Senate. - 18Feb
Jefferson Davis
In Montgomery, Alabama, Jefferson Davis is inaugurated as the provisional President of the Confederate States of America. - 20Apr
Robert E. Lee
American Civil War: Robert E. Lee resigns his commission in the United States Army in order to command the forces of the state of Virginia. - 8May
Richmond, Virginia
American Civil War: Richmond, Virginia is named the capital of the Confederate States of America. - 6Sep
Ulysses S. Grant
American Civil War: Forces under Union General Ulysses S. Grant bloodlessly capture Paducah, Kentucky, giving the Union control of the Tennessee River's mouth.