Through Monday, 20 of the nation’s largest newspapers had formally endorsed a candidate for president. Seventeen have backed Hillary Clinton, the Democratic nominee. Three support Johnson. And USA Today editorial writers, in a break with more than three decades of precedent, weighed in specifically against Trump.

Another paper, the Tulsa World, declined to endorse any of the major candidates on the ballot this year.

“We encourage all voters to participate in the election and to follow their consciences in making the best choice from the least acceptable list of candidates for president in modern times,” the World wrote. “We won’t be endorsing any of them.”

The editorial marked the first time in 76 years in which the conservative paper had not backed the Republican nominee for president.