Lorri Houston (aka Lorri Bauston) is a pioneer for the farm animal sanctuary movement.
 Houston has been an animal rights researcher, activist, and a vegan for most of her life.
 She co-founded the Farm Sanctuary in 1986 and founded Animal Acres in 2005.
 Houston has played a crucial role in the animal rights and activism movement over the past 20 years, and has made significant contributions to legislation and legal terminology regarding animal cruelty against farm animals subject to factory farming.
 Houston's work with animal rights is strongly tied to Feminist Theory because of its deep-rooted connections between the oppression of women and the oppression of animals in society.
Roberta Kalechofsky (born May 11, 1931) is an American writer, feminist and animal rights activist, focusing on the issue of animal rights within Judaism and the promotion of vegetarianism within the Jewish community.
 She is the founder of Jews for Animal Rights and runs Micah Publications or Micah Books, which specializes in the publication of animal-rights, Jewish vegetarian, and Holocaust literature.
 She is married to Dr. Robert Kalechofsky, a retired mathematics professor from Salem State University, author of several books on theoretical mathematics, and a long-time long-distance runner, despite three knee replacements.
 They appear together representing Micah Books at publisher, writer, vegetarian, and animal rights events around North America, including the Boston Vegetarian Society's annual Boston Vegetarian Food Festival.
 She is a popular speaker in vegetarian groups, though she is not considered 'standard fare' for such groups.
Animal Liberation Victoria Inc. (ALV) is an independent not-for-profit animal rights organisation operating in Victoria, Australia.
 Founded in 1978 by Patty Mark, ALV is located in Melbourne and is recognised as a leading animal rights organisation.
 Its main aims are to abolish the property status of animals, institutionalised animal exploitation and speciesist attitudes and practices; encourage and nurture animal rights education, and endorse the principle of non-violence.
Greg Avery (born 1963) is a British animal rights activist.
 He is chiefly known as a founding member of several influential animal rights campaigns – focusing on opposition to the animal testing industry – that have dramatically altered the nature of the animal rights movement in the UK.
 His latest involvement is with Stop Huntingdon Animal Cruelty (SHAC), an international campaign to force the closure of Huntingdon Life Sciences (HLS), an animal-testing company based in the UK and US.
 "The Guardian" describes Avery as the "de facto leader" of SHAC.
Animal People, Inc. is a non-profit animal rights charity dedicated to generating knowledge and raising public awareness of animal sentience and suffering.
 Animal People was founded in 1992 with the mission of “exposing the existence of cruelty to animals and educating the public of the need to prevent and eliminate such cruelty; conducting or sponsoring animal care projects, both to directly alleviate animal suffering and to demonstrate humane methods of handling and responding to animal-related dilemmas; and studying animal-related issues via research, surveys, and investigative reports.”
 From 1992 until 2013, the organization's main project was publishing the newspaper "Animal People News", which covered current events related to animal issues worldwide.
 The newspaper was retired in 2014 following a split within the board of directors, and in 2015 Animal People launched a new project, the Animal People Forum, an online magazine and social networking site for people interested in animal rights, welfare, and conservation.
The Iranian Anti-Vivisection Association (IAVA) is a nonprofit nongovernmental science-based organization.
 It's the first animal rights advocacy group in Iran which professionally campaigns for lab animal rights‌‌.
 In 2012, IAVA was recognized as Iran's most active animal rights group and was awarded the "Brown Bear" statuette by "Iran Animal Rights Watch" and a number of environmental parties.
"Animal Rights" is the second single taken from deadmau5's album, "4×4=12".
 The song is a collaboration with the American electro-house producer, Wolfgang Gartner.
 The single debuted on BBC Radio 1's coverage of Creamfields 2010 on 28 August 2010, at which deadmau5 was playing.
 On 1 December 2010, the song was added to BBC Radio 1's playlist.
Steven Best (born December 1955) is an American animal rights advocate, author, and associate professor of philosophy at the University of Texas at El Paso.
 He is the co-founder of the Animal Liberation Press Office in North America, and is known for his views on the use of violence to achieve animal rights.
 He came to public attention in 2005, when the British Home Office told him it intended to use counter-terrorist measures adopted in light of the July 2005 London bombings to prevent him from addressing an animal rights rally in the UK.
Norm Phelps (born Norman Nelson Phelps, III) (May 16, 1939 – December 31, 2014) was an American writer.
 He was a founding member of the Society of Ethical and Religious Vegetarians (SERV), and a former outreach director of the Fund for Animals.
 He authored four books on animal rights: "The Dominion of Love: Animal Rights According to the Bible" (2002), "The Great Compassion: Buddhism and Animal Rights" (2004), "The Longest Struggle: Animal Advocacy from Pythagoras to PETA" (2007), and "Changing the Game: Animal Liberation in the Twenty-first Century (2015)".
4×4=12 is the fifth studio album by Canadian record producer and DJ deadmau5, released internationally on 6 December 2010 by Virgin Records and a day later in the United States by Ultra Records and mau5trap Recordings.
 The album's title refers to a miscalculation made by deadmau5 on his Ustream channel, where he mistakenly said that his live setup of four banks of four "equals twelve".
 The album received a nomination at the 54th Grammy Awards for Best Dance/Electronica Album.

Question: When was Animal Rights released internationally?
Answer: 6 December 2010