Question: On what day did an English rock band release their first studio album, that featured the song "If I Had a Gun..."?

Context articles: The Quality of Mercy (album)
Drive North
Manwomanchild
Tommy Victor
If I Had a Gun...
Now What?!
Rock Your Face Off
Keep Calm and Carry On (album)
13 (Black Sabbath album)
Noel Gallagher's High Flying Birds (album)

The Quality of Mercy is the sixth studio album by English rock band Steve Harley & Cockney Rebel, released in 2005.
 Fronted by Steve Harley, the album was the first studio album in 29 years to be released by Harley under the band's name.
 The existing Cockney Rebel line-up of the time featured all new musicians compared to the best-known Cockney Rebel line-ups of their 1970s heyday.
 The album was produced entirely by Harley, with Jim Cregan also co-producing the track "A Friend for Life".
Drive North is the third studio album by the American rock band SWMRS, released on February 16, 2016, through their own label, Uncool Records.
 It was re-released through Fueled By Ramen on October 14, 2016 when they added the songs "Palm Trees" and "Lose It" to the record.
 It is the band's first studio album and second overall release under the name SWMRS after changing their name in late 2014.
 It is the first album to feature bassist Seb Mueller and guitarist Max Becker, who previously played bass.
 It is the band's first independent release and is also the band's first studio album not to be produced by drummer Joey Armstrong's father, Billie Joe Armstrong.
Manwomanchild is a rock band from Philadelphia, Pennsylvania fronted by David Child.
 The band was started in Rhode Island in 2008.
 In February 2010, the band release a self-titled EP recorded at Machines with Magnets in Pawtucket, RI.
 The band's lineup for the EP and album consisted of David Child on vocals, guitars, and synths, Mason Neely on drums, and Craig Gifford on bass.
 In May 2010, Manwomanchild released the song "Chile La Roja" in support of Chile's 2010 World Cup team.
 The song was featured in 4 national newspapers and on 2 Chilean TV networks.
Tommy Victor (born September 19, 1966) is the lead singer and guitarist for the heavy metal band Prong that he founded in New York City in 1986.
 In the late 1980s Victor worked as a sound engineer at the trendy venue, CBGB in New York City.
 After the release of "Rude Awakening" in 1996, Prong disbanded and Victor moved to Los Angeles but continued to release new Prong records.
 He took a break from Prong during which Victor worked alongside rock musicians including Rob Zombie, Marilyn Manson, Trent Reznor and Glenn Danzig.
 Since 2012's "Carved Into Stone", Prong have been very active again, releasing albums and touring relentlessly.
 2013 saw the band release their "Official Bootleg -- Unleashed In The West"-album which featured re-recordings of 17 classic Prong tracks.
 The next studio album "Ruining Lives" was released in 2014 and 2015 sees the band release their first ever covers album entitled "Songs From The Black Hole".
 Victor is also currently working with Glenn Danzig on his upcoming Danzig album.
 He is also part of the hard rock, heavy metal, hardcore punk and punk rock supergroup Teenage Time Killers.
"If I Had a Gun..." is a song by the English rock band Noel Gallagher's High Flying Birds, written by frontman Noel Gallagher from their self-titled debut studio album "Noel Gallagher's High Flying Birds" (2011).
 It was released as the third single on 26 December 2011 in all regions bar the United Kingdom.
 As with the other single releases from Noel Gallagher's High Flying Birds singles, Strangeboy Stacey engineered and mixed the B-side.
 The song impacted US radio on September 13, 2011.
Now What?!
 is the 19th studio album by English rock band Deep Purple.
 It was released on 26 April 2013 and produced by Bob Ezrin.
 A dedicated official web site was also created by the band to post updates about the album.
 It was the band's first studio album in over seven years, as Deep Purple's previous studio album, "Rapture of the Deep," was released in late 2005.
Rock Your Face Off is the seventh studio album by the American rock band KIX.
 It is KIX's first studio release in 19 years since their 1995 album "Show Business".
 It is Kix's first studio release with bassist Mark Schenker.
 The album debuted at #48 on the Billboard Top 200, the second highest charting record ever for KIX next to 'Blow My Fuse'.
 It also debuted at #1 on the Amazon Rock chart and remained there for over four weeks.
Keep Calm and Carry On is the seventh studio album by Welsh rock band Stereophonics.
 Released by Mercury on 16 November 2009, the album debuted at number 11 with sales of 42,771 on the UK Albums Chart, the lowest position for a studio album released by the band.
 The album was named after a British World War II poster of the same name.
 "Keep Calm and Carry On" was the first studio album by the band to feature guitarist Adam Zindani as a permanent member of the band.
 In the initial months after release, fans could access bonus content from the band's website with their copy of the album.
 This featured videos of a Track By Track rundown of the album, a Welcome Message from the group, the photoshoot for the album, and live audio of "You're My Star" (Acoustic) and "I Stopped to Fill My Car Up" from the Greatest Hits tour.
13 is the nineteenth and final studio album by English rock band Black Sabbath.
 The album was released on 10 June 2013 in Europe and 11 June 2013 in North America, via Vertigo Records and Republic Records in the US, and via Vertigo Records worldwide.
 It is the only studio album released by Black Sabbath since "Forbidden" (1995), and was their first studio recording with original singer Ozzy Osbourne and bassist Geezer Butler since the live album "Reunion" (1998), which contained two new studio tracks.
 It was also the first studio album with Osbourne since "Never Say Die!
" (1978), and with Butler since "Cross Purposes" (1994), the first since "Never Say Die!"
 not to feature longtime keyboardist Geoff Nicholls, and the first since "The Eternal Idol" (1987) on the Vertigo label (outside the US and Canada).
Noel Gallagher's High Flying Birds is the self-titled debut studio album by the English rock band Noel Gallagher's High Flying Birds.
 Released on 17 October 2011, it is the first studio album released by eponymous frontman Noel Gallagher since his departure from Oasis in August 2009.