Guido Castelnuovo, Italian mathematician and academic (d. 1952)
Guido Castelnuovo (14 August 1865 – 27 April 1952) was an Italian mathematician. He is best known for his contributions to the field of algebraic geometry, though his contributions to the study of statistics and probability theory are also significant.

1865Aug, 14
Guido Castelnuovo
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Events on 1865
- 31Jan
Robert E. Lee
American Civil War: Confederate General Robert E. Lee becomes general-in-chief. - 13Mar
African-American
American Civil War: The Confederate States of America agree to the use of African-American troops. - 29Mar
Appomattox Campaign
American Civil War: Federal forces under Major General Philip Sheridan move to flank Confederate forces under Robert E. Lee as the Appomattox Campaign begins. - 4Apr
Richmond, Virginia
American Civil War: A day after Union forces capture Richmond, Virginia, U.S. President Abraham Lincoln visits the Confederate capital. - 6Apr
Appomattox Campaign
American Civil War: The Battle of Sailor's Creek: Confederate General Robert E. Lee's Army of Northern Virginia fights and loses its last major battle while in retreat from Richmond, Virginia during the Appomattox Campaign.