High Quality Content by WIKIPEDIA articles! The Joe Biden presidential campaign, 2008 began when Senator Biden announced his candidacy for President of the United States on the January 7, 2007 edition of Meet the Press. He officially became a candidate on January 31, 2007 after filing papers with the Federal Elections Commission. Biden had previously run for president in 1988, but failed to receive the nomination of the Democratic Party. If elected, Biden would have been the first sitting Senator and Roman Catholic to be president since John F. Kennedy, and the first President to be born during World War II. (b. 1942)