"Alternative-Facts" are an attempt to re-write history by repeatedly stating falsehoods.
Social Media sites and the current presidential administration have been used as a method for propagating misinformation.
Here Are Some Reputable Fact-Verification Sources:
FactCheck.org
A nonpartisan, nonprofit group aimed at reducing the level of deception and confusion in U.S. politics.
Politifact.com
Winner Of The Pulizer Prize. PolitiFact is owned by the nonprofit Poynter Institute for Media Studies.