Hillary ClintonHillary Diane Rodham ClintonThe exhaustion of Democrats' anti-Trump delusions Poll: Trump trails three Democrats by 10 points in Colorado Soft levels of support mark this year's Democratic primary MORE on Monday called 2018 "in many ways" a "dark time for our country" in a New Year's Instagram post.

The former secretary of State added that she is "grateful to everyone who brought light into it," including activists, journalists, election organizers, candidates and protesters.

"I'm grateful to everyone who brought light into it: activists who protected kids at the border, journalists who stood up for truth, organizers who mobilized voters for the 2018 elections, candidates who ran races with grit and inspiration, voters who made their voices heard, and absolutely everyone who marched, donated, called, and protested to fight for the values we share," she wrote.

Clinton also called for "more light in 2019."

"Here's to more light in 2019, and to a shared commitment to make it as bright as possible," she added. "Happy New Year."

The post was accompanied with a photo of Clinton, her husband and former President Bill ClintonWilliam (Bill) Jefferson ClintonBen Shapiro: No prominent GOP figure ever questioned Obama's legitimacy The Hill's 12:30 Report: Trump tries to reassure voters on economy 3 real problems Republicans need to address to win in 2020 MORE and their daughter Chelsea Clinton.