What is John Langdon?
{{Infobox Officeholder |name =John Langdon |image =John langdon.jpg |imagesize =245px |smallimage = |caption = |office =1st [[President pro tempore of the United States Senate|President pro tempore]] of the [[United States Senate]] |term_start =April 6, 1789 |term_end =August 9, 1789 |president =[[George Washington]] |predecessor =None |successor =[[Richard Henry Lee]] |term_start2 =November 5, 1792 |term_end2 =December 2, 1793 |president2 =[[George Washington]] |predecessor2 =[[Richard Henry Lee]] |successor2 =[[Ralph Izard]] |order3 =[[United States Senate|United States Senator]]<br />from [[New Hampshire]] |term_start3 =April 6, 1789 |term_end3 =March 3, 1801 |predecessor3 =None |successor3 =[[James Sheafe]] |order4 =2nd [[Governor of New Hampshire]] |term_start4 =June 1, 1785 |term_end4 =June 7, 1786 |predecessor4 =[[Meshech Weare]] |successor4 =[[John Sullivan (general)|John Sullivan]] |term_start5 =June 4, 1788 |term_end5 =January 22, 1789 |predecessor5 =[[John Sullivan (general)|John Sullivan]] |successor5 =[[John Sullivan (general)|John Sullivan]] |term_start6 =June 6, 1805 |term_end6 =June 8, 1809 |predecessor6 =[[John Taylor Gilman]] |successor6 =[[Jeremiah Smith (lawyer)|Jeremiah Smith]] |term_start7 =June 5, 1810 |term_end7 =June 5, 1812 |predecessor7 =[[Jeremiah Smith (lawyer)|Jeremiah Smith]] |successor7 =[[William Plumer]] |birth_date ={{birth date|1741|6|26}} |birth_place =[[Portsmouth, New Hampshire]] |death_date ={{death date and age|1819|9|18|1741|6|26}} |death_place =[[Portsmouth, New Hampshire]] |resting_place = North Cemetery, Portsmouth |nationality = |party =Pro-Administration<br /