The European Juggling Convention (EJC), is the largest juggling convention in the world, regularly attracting several thousand participants.
 It is held every year in a different European country.
 It is organised by changing local organisation committees which are supported by the European Juggling Association (EJA), a non-profit association founded in 1987 in Saintes, France.
 Like most juggling conventions, it features a mix of workshops for jugglers, a "renegade" performance performed for participants, games, performances and a public show, usually spread out over a period of a week in the European summer.
 Accommodation is usually in the form of tents provided by participants.
Gregg Armen (born Gregg Armen Injejikian) is a multi-instrumentalist best known as the former bassist for political punk rock electronica band Intro5pect.
 Gregg was in the band from December 2003 to September 2008, went on several North American and European tours with the band, and contributed to the 2007 Intro5pect record, Realpolitik!
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 He is known for his fast bass guitar parts and aggressive vocals.
The Republic of Poland is a Central European country and member of the European Union and NATO, among others.
 In recent years, despite its occasional but obstinate relations with Russia during the 20th century, Poland has extended its responsibilities and position in European and Western affairs, supporting and establishing friendly foreign relations with both the West and with numerous European countries.
Armen Petrosyan (Armenian: Արմեն Պետրոսյան , born November 6, 1986) is an Armenian-Italian kickboxer who competes in the middleweight division.
 An aggressive fighter, Petrosyan began training in Muay Thai after moving to Italy from Armenia, Armen Petrosyan and his brother Giorgio Petrosyan was put under contract of Oktagon management and born in Oktagon events that allow its growth worldwide, he became a two-time Italian champion and a European titlist before arriving on the world stage in 2010 when he took back-to-back wins over Vuyisile Colossa and Dzhabar Askerov and later appeared as a competitor on the "Enfusion" reality television show.
 In March 2013, he won the eight-man "Haarlem Fight Night IV" tournament in the Netherlands to be crowned the WMTA World Super Welterweight Champion.
Michel Mossessian (Armenian: Միշել Մոսեսյան , born 1959) is a French architect of Armenian descent.
 based in London, UK.
The European Country Music Association (ECMA) was established in 1994 in the United Kingdom and Spain by people related to the European country music scene, including publishers, DJs and musicians.
 It originally consisted of less than 100 members.
 The first president was the UK's Harry E. Fenton.
In European Union law, and especially in European intellectual property law, a cross-border injunction is an injunction by a court in one European country, such as for example a court in the Netherlands forbidding infringement in several other European countries.
Armen Nalbandian (born April 6, 1978 in Manchester, England) is a jazz pianist, composer, author, and activist from Los Angeles, California, known for his multidisciplinary collaborations in visual and fine art.
Bryan Fustukian (born Saint Boniface, Winnipeg) is a Canadian country music singer and songwriter.
 He is also notable as a former radio broadcaster and concert promoter.
 Under the stage name of Vik Armen, Fustukian initially developed his music career in pop music.
 He continues to perform and record country music as Bryan Fustukian and pop music as Vik Armen.
Abbas Nalbandian (Persian: عباس نعلبندیان‎ ‎ ) (1947 – 28 May 1987) was an Iranian playwright who wrote several absurdist plays in the 1960s and 1970s.
 His plays had very long and strange names.
 For example, his first play was “A deep, big and new research about fossils of 25th genealogy period, or 20th, or any other period, there is no difference” (1966 ).
 <br>Nalbandian was under the effects of European absurdist theatre and he tried to bring new ideas and methods from European drama into Iranian drama.
 He committed suicide on 28 May 1987.
 He recorded his voice at the time of dying.

Question: Michel Mossessian and Armen Nalbandian, have which European country in common?
Answer: UK