1. 1849: Regular steamship service from the east to the west coast of the United States began with the arrival of the California.

2. 1953: James Watson and Francis Crick discovered the structure of DNA, a groundbreaking moment in the field of genetics.

3. 1954: The first color television sets using the NTSC standard were offered for sale to the general public.

4. 1983: The final episode of the TV series “M*A*S*H” aired, becoming the most-watched television episode in U.S. history at that time.

5. 1983: A bomb exploded in the parking garage of the World Trade Center in New York City, killing six people and injuring over a thousand others.