https://www.politico.com/trump-russia-ties-scandal-guide/timeline-of-events
2014
April: The Russian interference operation forms a department known as the “translator project” to focus on operations via social media, according to the Justice Department.
May: Moscow has developed a strategy with the goal of interfering in the 2016 election and “spread[ing] distrust towards the candidates and the political system in general,” according to the Justice Department.
June: The Internet Research Agency takes steps to obscure “its conduct by operating through a number of Russian entities,” according to the Justice Department.