The Wittenburg Door, sometimes known as simply The Door, was a Christian satire and humor magazine, previously published bimonthly by the non-profit Trinity Foundation based in Dallas, Texas.^[1] The magazine started publication in 1971^[2] and ceased publication in 2008.^[3] It was then published only online by John Bloom^{[citation needed]} until its recent transition to a new group of "door keepers".^{[citation needed]} The title was a reference to the Ninety-Five Theses written by Martin Luther in 1517 that he is believed to have posted on the door of the All Saints' Church, Wittenberg.^[4] A documentary, Nailin' it to the Church, by Murray Stiller was made in 2009.^{[citation needed]}