Year 30 (XXX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Vinicius and Longinus (or, less frequently, year 783 Ab urbe condita). The denomination 30 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Sarah Louise Palin ⁱ/ˈpeɪlɨn/ (née Heath; born February 11, 1964) is an American politician, commentator and author. As the Republican Party nominee for Vice President in the 2008 presidential election, she was the first Alaskan on the national ticket of a major party and first Republican woman nominated for the vice presidency. Her book Going Rogue has sold more than two million copies. Since January 2010, she has provided political commentary for Fox News, and hosted a television show, Sarah Palin's Alaska. Five million viewers tuned in for the first episode, a record for The Learning Channel.

She was elected to Wasilla City Council in 1992 and became mayor of Wasilla in 1996. In 2003, after an unsuccessful run for lieutenant governor, she was appointed Chairman of the Alaska Oil and Gas Conservation Commission, responsible for overseeing the state's oil and gas fields for safety and efficiency. The youngest person and first woman to be elected Governor of Alaska, Palin held the office from December 2006 until her resignation in July 2009. She has since endorsed and campaigned for the Tea Party movement, as well as several candidates in the 2010 midterm elections. From the time of her Vice Presidential nomination in 2008, Palin was considered a potential candidate for the 2012 presidential election until she announced in October 2011 that she would not run.

Justin Drew Bieber ( /ˈbiːbər/ BEE-bər, born March 1, 1994) is a Canadian Pop/R&B singer-songwriter, musician, and actor. Bieber was discovered in 2008 by Scooter Braun, who came across Bieber's videos on YouTube and later became his manager. Braun arranged for him to meet with Usher in Atlanta, Georgia, and Bieber was soon signed to Raymond Braun Media Group (RBMG), a joint venture between Braun and Usher, and then to a recording contract with Island Records offered by L.A. Reid. Bieber's debut single, "One Time", was released in 2009 and peaked in the top twenty in Canada and charted in the top thirty in several international markets. His debut album, the seven-track EP My World, followed in November 2009, and was soon certified platinum in the United States. He became the first artist to have seven songs from a debut album chart on the Billboard Hot 100.