What are some popular comic strips that ran in newspapers during the 1970s?

Some of the most popular comic strips from the 1970s include *Peanuts* by Charles Schulz, *Garfield* by Jim Davis (though it debuted in the late 70s), *Doonesbury* by Garry Trudeau, *The Far Side* by Gary Larson (though it began in the 80s, its style has roots in the 70s), *B.C.* by Johnny Hart, and *Blondie* by various artists.