Acting President of the United States On April 4, 1841, only one month after his inauguration, President William Henry Harrison died. He was the first U.S. president to die in office. Afterward, a constitutional crisis ensued over the Constitution's ambiguous presidential succession provision (). Shortly after Harrison's death, his Cabinet met and decided that Vice President John Tyler would assume the responsibilities of presidency under the title "Vice-President acting President". Instead of accepting the Cabinet's proposed title, however, Tyler asserted that the Constitution gave him full and unqualified powers of the office and had himself sworn in immediately as President, setting a critical precedent for an
President of Armenia incapable to perform his/her duties or is removed from office extraordinary elections are held on the fortieth day following the vacancy of the office of the President. During martial law or state emergency election of the president should not be held and the president in this case continues his/her responsibilities. The new election of the President of Republic is held fortieth day after the expiration of the term of the martial law or state of emergency The President of the Republic assumes his duties as stated in the law. In National Assembly’s special session the President should swear the following