Look back at Pope Benedict XVI through the years.
Cardinal Joseph Ratzinger was a fixture at the Vatican long before he was pope. Here, he shows the publication of the papal encyclical Veritatis Splendor in 1993.
Enrique Castro-Mendivil / Reuters
St. Louis nearly burns to the ground, the first Kentucky Derby is held, the Supreme Court strikes down segregated schools, the Senate Watergate Committee begins televised hearings, and same-sex marriages begin in Massachusetts, all on this day.