Dorothy "Dot" Branning (also Cotton) is a fictional character from the BBC soap opera, "EastEnders", played by June Brown since 1985.
 Dot first appeared in "EastEnders" in July 1985 as the mother of criminal Nick Cotton (John Altman).
 The character has worked as a launderette assistant for most of that time along with original character Pauline Fowler (Wendy Richard).
 Dot moved away with her son and his family in 1993.
 In reality, Brown left the show in 1993, unhappy with the axing of her co star Peter Dean, who played Pete Beale from the shows first episode to early 1993.
 Brown returned to the role in 1997, and Dot was shown moving back to Albert Square, and has continued since that time.
 On 28 April 2017, Dot overtook Pat Butcher (Pam St. Clement) as the second longest-serving character in "EastEnders", surpassed only by original character Ian Beale (Adam Woodyatt).
 In a special episode entitled "EastEnders: Dot's Story" (2003) a young Dot was played by Tallulah Pitt-Brown in flashbacks.
 In April 2012, Brown took a six-month break from the show to write her memoirs.
 Dot temporarily departed on 18 May 2012.
 She returned on 14 January 2013.
 In February 2015, Dot began appearing less frequently due to Brown gradually losing her eyesight; this aspect of her life was later written into her character the following year.
 In January 2016, it was announced that Brown had renewed her contract with the BBC until March 2017.
 Brown is now the oldest soap opera actress in Britain.
 In January 2017 it was reported that the BBC were offering Brown £300,000 for a one-year contract.
Richard Francis "Ricky" Butcher is a fictional character from the BBC soap opera "EastEnders", played by Sid Owen.
 Introduced as a school boy in 1988, Ricky is one of the longest-running, male protagonists to feature in "EastEnders".
 Owen originally left the role in 2000 to pursue a music career.
 However, he reprised the role in 2002 before being axed by producer Louise Berridge in 2004.
 In 2008, producer Diederick Santer reintroduced the character for a third time, along with his wife Bianca Jackson (Patsy Palmer).
 Ricky is portrayed as unintelligent, simplistic, easily led and bossed around by dominant personalities.
 On 26 February 2011, it was announced that Owen would take a temporary break from the show.
 The character exited on 19 July 2011, returning five months later on 13 December 2011.
 Ricky left "EastEnders" on 17 January 2012.
 Ricky returned to "EastEnders" on 20 June 2012 for the wedding of his sister, Janine (Charlie Brooks), before departing for the final time on 29 June 2012.
 In April 2016 he had voiced his interest on returning to "EastEnders" during an appearance on "Celebrity Juice".
The following is a list of characters that first appeared in the BBC soap opera "EastEnders" in 2015, by order of first appearance.
 All characters were introduced by the show's executive producer Dominic Treadwell-Collins.
 January saw the arrival of the year's first baby, Matthew Mitchell Cotton, son of Ronnie Mitchell and Charlie Cotton.
 The following month saw the show celebrate its 30th anniversary with a live week, which oversaw the live arrivals of Vincent Hubbard, and the second baby born in 2015, Pearl Fox-Hubbard, Vincent's daughter with Kim Fox-Hubbard.
 In March, Claudette Hubbard arrived as Donna Yates' foster mother and an acquaintance of Les Coker followed by Stan Carter's friend Cyril Bishop and Sharon Mitchell's aunt Margaret Midhurst, whilst Denise van Outen joined in April as Karin Smart.
 May saw the arrivals of June Whitfield as Sister Ruth, Mick and Linda Carter's son Ollie Carter, the year's third baby, Mo Harris' business associate Fat Elvis and Kush Kazemi's mother, Carmel.
 Paul Coker, the grandson of Les and Pam Coker, was introduced in June, as was Jade Green, the long-lost daughter of Shabnam Masood and Dean Wicks.
 After Kathy Sullivan's surprise return during the 30th anniversary in February, her husband Gavin Sullivan made his debut in August.
 September saw the arrivals of Max Branning's prosecution lawyer Hazel Warren and Louie Beale, the baby son of Lauren Branning and Peter Beale.
 In October, Elaine Peacock's toyboy lover Jason Adams was introduced, as well as first transgender character to be played by a transgender actor, Kyle Slater.
 December saw the birth of the year's fifth baby, Kush and Stacey Slater's son, Arthur Fowler.
Maureen "Big Mo" Harris is a fictional character from the BBC soap opera "EastEnders", who has been in the series since 18 September 2000, played by Laila Morse.
 Mo is also played by Lorraine Stanley in a soap 'bubble' "Pat and Mo", delving into her past with Pat Evans, which aired in 2004.
 Mo provides a background of light entertainment.
 Morse's contract was not renewed in July 2012, but she was not immediately written out of the series and continued to make occasional appearances until 21 January 2016.
Philip James "Phil" Mitchell is a long-standing fictional character from the BBC soap opera "EastEnders", played by Steve McFadden.
 Phil was introduced to the soap opera on 20 February 1990, and was followed by his brother, Grant (Ross Kemp), sister Sam (Danniella Westbrook/Kim Medcalf) and mother Peggy (Jo Warne/Barbara Windsor).
 Phil is one of the major introductions made by executive producer Michael Ferguson, who wanted to bring in some macho, male leads.
 Phil and his brother Grant became popularly known as the Mitchell brothers in the British media with Phil initially portrayed as the more level-headed of the two thugs.
 Storylines featuring the Mitchell family dominated the soap opera throughout the 1990s, with Phil becoming a popular and long-running male protagonist into the 2000s and the 2010s.
 McFadden temporarily left the series in late 2003 then returned in March 2005 for a short stint, before making a permanent return in October 2005.
 McFadden took a hiatus from the series at the end of Phil's liver cirrhosis storyline with the character departing on 6 February 2017.
 He returned on 24 July.
Maureen "Mo" Butcher is a fictional character from the BBC soap opera "EastEnders", played by Edna Doré between 1988 and 1990.
 She is introduced as the matriarch figure of the Butcher family, Frank Butcher's (Mike Reid) elderly mother.
 She is portrayed as a battle-axe, tough and interfering.
 Her most notable storyline first aired in 1990, when the character is used to portray descent into Alzheimer's disease.
 Doré opted to leave the serial that same year; Mo was written out of the soap making her last appearance in November.
 Mo was killed-off in 1992, but her death was not screened.
Patricia Louise "Pat" Butcher (also credited with the names Wicks and Evans), also occasionally referred to in the British media as Fat Pat, is a fictional character from the BBC soap opera "EastEnders".
 She was played by Pam St. Clement from 12 June 1986, just over a year after the show first aired, until her departure on 1 January 2012.
 Pat was also portrayed by Emma Cooke in a soap 'bubble' "Pat and Mo: Ashes to Ashes", delving into her past with sister-in-law Mo Harris (Laila Morse), which aired in 2004.
 The character died on 1 January 2012, shortly after being diagnosed with pancreatic cancer.
 Her funeral was on 13 January 2012.
 Pat was one of the longest serving characters on the show, being on it for twenty-five years and six months.
 She returned along with other women from Ian Beale's (Adam Woodyatt) past in a concussion-related dream sequence for a Children in Need special on 14 November 2014.
 She also made a return as a hallucination for Peggy Mitchell's (Barbara Windsor) exit on 17 May 2016.
Lorraine Stanley (born 28 June 1976) is an ALFS Award-nominated English actress, best known for playing Kelly in the 2006 BIFA Award-winning film "London to Brighton".
 In 2004, she played a young Mo Harris in the feature-length "EastEnders" spin-off episode "EastEnders: Pat and Mo".
 In 2017, she joined the cast of the BBC One soap opera "EastEnders" playing a regular character, Karen Taylor.
Zoe Slater is a fictional character from the BBC soap opera "EastEnders", played by Michelle Ryan.
 She made her first appearance on 18 September 2000.
 After much speculation, Ryan decided to leave the role of Zoe and left on 24 June 2005.
 Zoe arrives in Walford along with her father, Charlie (Derek Martin), sisters Kat (Jessie Wallace), Lynne (Elaine Lordan) and Little Mo (Kacey Ainsworth), and grandmother Mo (Laila Morse).
Maureen "Mo" Oldman (born 1 August 1945), known by her stage name Laila Morse, is an English actress.
 Her best known roles include Janet in drama film "Nil by Mouth" (1997) and Mo Harris in BBC One soap opera "EastEnders" (2000–2016).

Question: Patricia Louise "Pat" Butcher, also occasionally referred to in the British media as Fat Pat, is a fictional character from the BBC soap opera "EastEnders",which aired in 2004, Pat was also portrayed by Emma Cooke in a soap 'bubble' "Pat and Mo: Ashes to Ashes", delving into her past with sister-in-law Mo Harris, played by Laila Morse, an English actress,whose given name is Maureen "Mo" Oldman, born on which date?
Answer: 1 August 1945