Billionaire Tim Draper, who's leading a push to break California into three states, is getting his shot to let voters decide on the issue.
Southern California would be made up of Fresno, Imperial, Inyo, Kern, Kings, Madera, Mono, Orange, Riverside, San Bernardino, San Diego and Tulare counties.
Los Angeles, Monterey, San Benito, San Luis Obispo, Santa Barbara and Ventura counties.
If the measure is approved by voters, it would have to be ratified by Congress, which analysts say is unlikely. West Virginia was formed by seceding from a Confederate state over differences around slavery.
It got more than the required number of signatures in Tuesday's primary. With its 55 electors in the Electoral College, California has always been a stronghold for the Democratic Party.
Awaiting sentencing, Fyre Festival promoter arrested again
The Fyre Festival founder was arrested for allegedly selling fraud tickets for fashion, music and sport events. McFarland is a serial fraudster plain and simple", prosecutor Kristy Greenberg told the judge.
"To create three states from a standing start, you'll get all the benefits of knowing all the things that worked in the past, and all the things that could work in the future and you get to eliminate all the baggage you got in the state", Draper said in a May news conference at Draper University. Southern California depends more on manufacturing and wholesale, and has a median household income of $45,000.
In 1992, Stan Statham, an assemblyman from Northern California, embarked on "a quixotic campaign to split California in three", as Sacramento's News & Review recalled.
Cal 3 sees this as an advantage: "Electoral College votes will be divided among the new states based on population, roughly the same as they are apportioned today, but with the additional recognition that comes with more direct and proportional influence over the Electoral College totals".
This will not be the first time such a ballot would take place.
Earlier this year, Robert Preston and Tom Reed put forward their own proposal calling for splitting California into two because the state had become "ungovernable" because of high taxes.