The only US president to resign from office was Richard M. Nixon.
Nixon
Lincoln didn't resign, he was assassinated. Nixon was the first and only president to resign.
Richard Nixon was the only President to resign from office on 9 August 1974.
Richard M. Nixon
JFK did not resign from office. He was assassinated while in office on 22 Nov 1963.
Nixon was the first and only president to resign from office.
Nixon?
Yes but only after winning the presidential-vice presidential election, the Governor would have to resign his position prior to taking office as VP.
Richard M. Nixon, the 37th US President, on August 9th, 1974, became the only US president to resign his office, in order to avoid impeachment on charges stemming from the investigation of the Watergate break-in and cover-up.
Nixon was the only president to resign the office, yes. He was going to be tried by Congress, and his best legal advisers told him he would be convicted, which would bring huge shame on the presidency, so he finally decided to resign.
Grant didn't resign.