2012 Republican Party vice presidential candidate selection

On May 29, 2012, former Governor Mitt Romney of Massachusetts won the 2012 nomination by the Republican Party for President of the United States, and became the presumptive nominee of the party. On August 11, 2012, Romney officially announced his selection of Wisconsin Representative Paul Ryan as his running mate to supporters via an iPhone app, though the selection of Ryan had already leaked to the press hours before the official announcement.

Source: Wikipedia — 2012 Republican Party vice presidential candidate selection (CC BY-SA 4.0)