Gasoline Alley by Frank King
Krazy Kat by George Herriman
The Smythes by Rea Irvin
Polly and Her Pals by Cliff Sterret
Buck Rogers by Dick Calkins
Little Nemo by Winsor McKay
Google those for more info. For more from the Golden Age of Newspaper strips, find
THE SMITHSONIAN GUIDE TO NEWSPAPER COMICS, Bill Blackbeard, editor. Here are some newer strips designed to take advantage of the one-page format:
Mr. Wonderful by Dan Clowes
Building Stories by Chris Ware
Boys by Ron Rege