120th Delaware General Assembly
 The 120th Delaware General Assembly was a meeting of the legislative branch of the state government consisting of the Delaware Senate and the Delaware House of Representatives. Elections were held the first Tuesday after November 1 and terms began in Dover on the first Tuesday in January. This date was January 6 1959 which was two weeks before the beginning of the seventh administrative year of Governor J. Caleb Boggs and the third administrative year of David P.