What is Thomas Mifflin?
{{Infobox officeholder | honorific_prefix = [[His Excellency]] | name = Thomas Mifflin | image = Thomas Mifflin.jpg | office = 1st [[List of governors of Pennsylvania|Governor of Pennsylvania]] | term_start = December 21, 1790 | term_end = December 17, 1799 | predecessor = Himself<br /><small> as [[Supreme Executive Council of the Commonwealth of Pennsylvania#Presidents of Council|President of Pennsylvania]] </small> | successor = [[Thomas McKean]] | office1 = 7th [[Supreme Executive Council of the Commonwealth of Pennsylvania#Presidents of Council|President of Pennsylvania]] | vicepresident1 = [[George Ross (Pennsylvania statesman)|George Ross]] | term_start1 = November 5, 1788 | term_end1 = December 21, 1790 | predecessor1 = [[Benjamin Franklin]] | successor1 = Himself<br /><small> as [[List of governors of Pennsylvania|Governor of Pennsylvania]] </small> | office2 = [[Speaker of the Pennsylvania House of Representatives]] | term_start2 = 1785 | term_end2 = 1787 | predecessor2 = [[John Bayard]] | successor2 = [[Richard Peters (Continental Congress)|Richard Peters]] | office3 = 3rd [[President of the Continental Congress|President of the Confederation Congress]] | term_start3 = November 3, 1783 | term_end3 = June 3, 1784 | predecessor3 = [[Elias Boudinot]] | successor3 = [[Richard Henry Lee]] | office4 = [[Continental Congressman]] | term_start4 = 1782 | term_end4 = 1784 | term_start5 = 1774 | term_end5 = 1775 | birth_date = {{birth date|1744|1|10}} | birth_place = [[Philadelphia]], [[Province of Pennsylvania]], [[British America]] | death_date = {{death date and age|1800|1|20|1744|1|10}} | death_place = [[Lancaster, Pennsylvania]], U.S. | party = [[Federalist Party (United States)|Federalist]] |