According to the online version of The Oxford English Dictionary the phrase "fake news" first entered the English language in an article published in the February 7, 1890, issue of The Milwaukee Daily Journal.
Subedar, Anisa. "The Godfather of Fake News: Meet One of the World's Most Prolific Writers of Disinformation." BBC News, BBC , 27 Nov. 2018,
www.bbc.co.uk/news/resources/idt-sh/the_godfather_of_fake_news. Accessed 5 Dec. 2018.