Which was Charles Darwin known for? He proposed the theory of "natural selection," which said that all living things change over time.
Charles Darwin discovered a lot in the Biology section of Science.
Confederate troops fired on Fort Sumter in South Carolina's Charleston Harbor. Less than 34 hours later, Union forces surrendered. Traditionally, this event has been used to mark the beginning of the Civil War. So the second one.
The "gadget" was the nickname of the first atomic bomb which was detonated<span> at the Trinity test site outside Alamagordo, New Mexico on July 16, 1945. This plutonium implosion-type bomb was similar to the "Fat Man" bomb dropped on the Japanese city of Nagasaki.</span>
