General winifield Scott
Winfield Scott, General-in-Chief of the Union armies.
She resigned due to age and poor health.
After the details of the scandal were made public, the chief executive resigned from his job.
William Howard Taft, the ex-president, resigned from the Supreme Court due to illness in 1930.
Sam Houston resigned from the governorship of Texas in 1861 due to his opposition to secession from the Union. As a staunch supporter of the Union, he refused to pledge allegiance to the Confederacy after Texas seceded during the Civil War. His strong beliefs and refusal to compromise ultimately led to his resignation on March 16, 1861, as he could not support a government he did not believe in.
Hosni Mubarak
Ahmadou Babatoura Ahidjo was the first President of Cameroon from 1960 May 5 to 1982 November 6. After he resigned due to health reasons, he was succeeded by Paul Biya, the current President of Cameroon.
Linwood resigned due to a moral failure with his family.
Richard Nixon was not assassinated; he resigned due to pending impeachment.
Robert E Lee
No president resigned in 1940. You might say Franklin Roosevelt re-signed a new Presidential contract in 1940 by running again and winning again. (1974 was the only presidential resignation when Nixon resigned due to Watergate.)