Claim: Joe Biden became Barack Obama's Vice President in 2009.
Evidence: Joseph Robinette Biden Jr. -LRB- -LSB- ˈdʒoʊsᵻf_rɒbᵻˈnɛt_ˈbaɪdən -RSB- born November 20 , 1942 -RRB- is an American politician who was the 47th Vice President of the United States from 2009 to 2017 , having been jointly elected twice with President Barack Obama.