Question: When did the Philadelphia, Pennsylvania-based promotion that Damien Kane is best known for close?

Context paragraphs:
Sign Guy Dudley: Lou D'Angeli (born August 19, 1972) is an American marketing professional and retired professional wrestling manager.  He is the current Director of Marketing and Public Relations for Cirque du Soleil in Las Vegas.  He is best known for his appearances with the Philadelphia, Pennsylvania-based professional wrestling promotion Extreme Championship Wrestling from 1995 to 2001 under the ring names Sign Guy Dudley and Lou E. Dangerously.

Extreme Championship Wrestling: Extreme Championship Wrestling (ECW) was a professional wrestling promotion that was founded in Philadelphia, Pennsylvania in 1992 by Tod Gordon.  ECW closed when then-owner Paul Heyman declared bankruptcy in April 2001.  The promotion showcased various international styles of professional wrestling, ranging from lucha libre to puroresu and hardcore wrestling, and became known for having an intelligent, often rowdy and vocal fanbase that rejected the more cartoonish programming of ECW's competitors.

Big Dick Dudley: Alex Rizzo (January 12, 1968 – May 16, 2002) was an American professional wrestler, better known by his ring name, Big Dick Dudley.  Rizzo was best known for his appearances with the Philadelphia, Pennsylvania-based professional wrestling promotion Extreme Championship Wrestling from 1994 to 1999 as the leader of The Dudley Brothers.

Arthur Kane: Arthur Harold Kane Jr. (February 3, 1949 – July 13, 2004) was a musician best known as the bass guitarist for the pioneering glam rock band the New York Dolls.  Kane was a founding member of the Dolls in 1971 and remained an integral part of the band until he was forced out in 1975, shortly after the departure of Johnny Thunders and Jerry Nolan.  In 2004, after decades of estrangement from Dolls singer David Johansen, Kane rejoined the surviving Dolls (Johansen and Sylvain Sylvain) to rehearse and play a reunion concert in London, which was the subject of the 2005 documentary "New York Doll".  In addition to his bass playing, Kane was known for his subculture fashion sense and for uttering original aphorisms in his uniquely toned voice.

Damien Kane: Edward Bazzaza (born April 16, 1960), known by his ring name Damien Kane, is an American retired professional wrestler and manager.  He is best known for his appearances with the Philadelphia, Pennsylvania-based promotion Extreme Championship Wrestling in the mid-1990s.

Chris Michaels: Bill Pierce (born July 13, 1961) is an American professional wrestler, better known by the ring name Chris Michaels.  He is best known for his appearances with the Philadelphia, Pennsylvania-based professional wrestling promotion Eastern Championship Wrestling in 1992 to 1993.  He is to not be confused with Nebraska and Iowa wrestler, Chris Michaels (real name, not a ring name) who worked for the USWA with tag team partner Todd Morton.

Mann Center for the Performing Arts: The Mann Center for the Performing Arts (formerly known as the Mann Music Center) is a nonprofit performing arts center located in the Centennial District of Philadelphia's West Fairmount Park, built in 1976 as the summer home for the Philadelphia Orchestra.  It is the successor in this role to the Robin Hood Dell, where the Philadelphians have given summer performances since 1935.  It has since hosted numerous world-class artists and touring companies such as the American Ballet Theatre with Mikhail Baryshnikov, Marian Anderson, Leonard Bernstein, Buena Vista Social Club, Ray Charles, Judy Garland, the Metropolitan Opera, Mormon Tabernacle Choir, Paul Robeson, Itzhak Perlman, Lang Lang, Midori, and Yo-Yo Ma.  Major Philadelphia premieres have included the Israel Philharmonic Orchestra, Bolshoi Ballet and Orchestra’s production of Spartacus, and Britain’s Royal Ballet’s productions of Romeo and Juliet and Swan Lake.  Among the scores of award-winning popular artists presented by the Mann in recent years are Jack Johnson, Ed Sheeran, Phish, Tony Bennett, Mary J. Blige, Roger Daltrey, Bob Dylan, Furthur, Arcade Fire, Aretha Franklin, Herbie Hancock, Norah Jones, Diana Krall, Wynton Marsalis, Willie Nelson, Smokey Robinson, Jill Scott, James Taylor, Damien Rice, Alabama Shakes, Bon Iver, Lana Del Rey, The National, and Stevie Ray Vaughan.  In 2010, 2011 & 2014, the Mann was nominated by Pollstar, a concert industry trade publication, as "Best Major Outdoor Concert Venue" in North America.  The venue has a total seating capacity of approximately 14,000, with 4,743 seats under the roof and over 8,600 outside.

Elektra (wrestling): Donna Adamo (born November 12, 1970) is an American retired professional wrestling valet and professional wrestler, better known by her ring name, Elektra.  She is best known for her appearances with the Philadelphia, Pennsylvania-based promotion Extreme Championship Wrestling from October 1999 until its closure in April 2001.  She is also known for her appearances in "The Sopranos" as a "Bada Bing Girl".

Joe Lunardi: Dr. Joseph Lunardi is a college basketball analyst for ESPN.  He was born in Philadelphia, attended Saint Joseph's Preparatory School in Philadelphia, as well as Damien High School in CA, and is a Saint Joseph's University alumnus.  Lunardi currently lives outside of Philadelphia, Pennsylvania.  He is best known for creating Bracketology, which he calls the "art and science" of predicting the teams that will be selected in the annual NCAA Men's Basketball Tournament.  He is well known as the resident bracketologist for ESPN.  In addition to his duties at ESPN, he is the Assistant Vice President of Marketing Communications at Saint Joseph's University and does color commentary for men's basketball for the Saint Joseph's Hawks.  Lunardi correctly predicted all 65 teams to appear in the 2008 NCAA Tournament, and he correctly predicted all 68 teams for the 2013 tournament.

Dale Zarrella: Dale Zarrella is a sculptor and painter living in Maui, Hawai'i.  Born in Southington, Connecticut, he began sculpting at the age of nine and received his first commission, for a crucifix for St. Dominic Catholic Church, when he was 18.  He relocated to Hawaii in 1985.  He is best known for his statue of Saint Damien of Molokai, created for the Damien and Marianne of Moloka'i Heritage Center in Waikiki.  A second copy of the statue was later presented to Pope Benedict XVI in commemoration of Father Damien's canonization.

Supporting paragraphs: Damien Kane Extreme Championship Wrestling
Answer: April 2001