The following 3 graphs show the magnitude of the ebb and flow of Congressional Majorities and which party held the Presidency from 1857 through the November 2016 election. The House and Senate majority margins are as of election day. Note the far reaching impact of the Great Depression election in 1933 across all 3 graphs.

US House Majorities 1857-2019. Source: http://history.house.gov/Institution/Party-Divisions/Party-Divisions/

US House Majorities 1857-2019. Source: https://www.senate.gov/history/partydiv.htm

US Presidents by Political Party Since 1857. Source: https://en.wikipedia.org/wiki/Party_divisions_of_United_States_Congresses