Nature writer Rachel Carson writes a groundbreaking book, “Silent Spring”, in Silver Spring. Praised by scientists but loudly condemned by chemical producers, the book not only leads to the banning of DDT in 1987 but also is an important contributor to the creation of Earth Day and President’s Nixon’s establishment of the Environmental Protection Agency.
First use of genetic genealogy at Catoctin Furnace
The first use of DNA links 27 Black workers buried in the local cemetery of the Catoctin Furnace (c1800) and reveals links to nearly 42,000 living relatives, and traces the enslaved back to their African origins.