Pi (nom), by Noleander. The number pi, which is approximately equal to 3.14159, is represented by the Greek letter π; pi is an irrational number that is the ratio of a circle's circumference to its diameter. Its digits are infinite and never repeat, leading people to calculate the numbers in pi to a high degree of precision; the current record is 10 trillion digits, although 40 are ample for almost all scientific purposes. It is found in numerous formulae in math and science.
Lynching of Jesse Washington (nom), by Mark Arsten. Jesse Washington, a young African-American man from Robinson, Texas, was sentenced to death in a trial for rape and murder. After the trial, he was mutilated and burned by a crowd of more than 10,000 people, who had a festive attitude during the lynching. The lynching received much coverage in both local and national newspapers; historians have noted that Washington's death curbed public support for lynchings.
Three featured lists were promoted this week.
Rihanna videography (nom), by Tomica. The Barbadian recording artist Rihanna has appeared in numerous music videos and films, including 35 music videos and several feature films. Several of her videos have been controversial for the artist "not being a good role model".
List of colleges and universities in Wisconsin (nom), by Ruby2010. The US state of Wisconsin is home to eighty-five colleges and universities which are recognised by the Carnegie Classification of Institutions of Higher Education. The oldest extant institution is Nashotah House, while the largest is the University of Wisconsin–Madison.
List of Slovenian football champions (nom), by Ratipok. The Slovenian football champions are the winners of the highest league of association football in Slovenia, PrvaLiga. There have been 21 champions since the league was established in 1991; Maribor is the most successful team in the league.
Three featured pictures were promoted this week.
Poeke Castle (nom; related article), created by MJJR and nominated by Tomer T. Poeke Castle is a castle near Poeke, Belgium, which dates back at least 900 years. The new featured picture is viewed from the north-east.
2010 G-20 Seoul summit (nom; related article), created by the Presidency of the Nation of Argentina and nominated by Tomer T. The 2010 G-20 Seoul Summit was a meeting of the G-20 heads of government, where they discussed the global financial system and the world economy. It took place on 11 and 12 November 2010.
Liocarcinus depurator (nom; related article), created by Lycaon and nominated by Tomer T. Liocarcinus depurator is a species of crab found in the North Sea, Atlantic Ocean, Mediterranean Sea and Black Sea that grows up to 50 millimetres (2.0 in) in width and 40 mm (1.6 in) long.