Short answers, pulled from the story.
The Cabaret Voltaire opened its doors on the 5th of February 1916 in Zürich Switzerland. Hugo Ball and Emmy Hennings founded this ten-meter-square space to explore new artistic tendencies while mocking traditional theater exhibitions.
Chris Burden arranged for a friend to shoot him in the arm with a small-caliber rifle during Shoot in 1971. He spent five days locked inside a school locker for Five Day Locker Piece that same year.
Ulay and Marina Abramović united their lips and inspired air expired by each other until they fell unconscious after seventeen minutes in Breathing In Breathing Out. They walked along the Great Wall of China starting on opposite ends finding each other halfway in 1988.
Pussy Riot entered the Cathedral of Christ the Saviour of Moscow on the 21st of February 2012 performing a song and dance under the motto Virgin Mary put Putin Away. They were detained on the 3rd of March 2012 accused of vandalism and faced a 2,800-page indictment by July 5.
Tehching Hsieh created Art/Life: One Year Performance (Rope Piece) between July 1983 and July 1984 as a political statement. He took a photo next to a time clock every hour for an entire year during Time Clock Piece from 1980 to 1981.