Question: What band formed first, Shinedown or The dB's?

Context articles: The Strap-Ons
U-ka Saegusa in dB
Kilburn and the High Roads
Nick Perri
81db
Shinedown
Thomas White (musician)
Adelitas Way
The dB's
Acrassicauda

The Strap-Ons are a punk rock band formed by vocalist Brian "Idle" Diederich, guitarist Billy England, bassist Emmit Joe George and drummer Ruben Remulla.
 A few months later, guitarist Kate Grottenhaler joined the group.
 The band formed in late 1996 originally as The Pimps in Norfolk, Virginia, but due to legal disputes, were forced to change their name to The Strap-Ons.
 The band's first CD was put out by a cooperative of six labels around the world called The World Label Cooperative.
U-ka saegusa IN db (三枝夕夏 IN db（イン デシベル） , Saegusa Yūka in Deshiberu (in Decibel) ) was a Japanese pop band signed to Giza Studio, Formed in 2002 around lead vocalist Yūka "U-ka" Saegusa, the band's first three singles were all featured in the anime "Cheeky Angel".
 Its first hit single was "Kimi to Yakusoku Shita Yasashii Ano Basho Made", a theme song of the popular anime "Detective Conan", which reached #8 in the Oricon charts.
 On October 21, 2009, Saegusa stated that the band would disband in January 2010.
 During their career they released 24 singles, 4 studio albums, 1 mini album and 2 best albums.
Kilburn and the High Roads were a British pub rock band formed by Ian Dury in 1970, and the first band formed by Dury.
 The band released one studio album in 1975 before disbanding the same year.
 Allmusic credits the band with being "an undeniable influence on punk and new wave".
Nicholas B. "Nick" Perri is an American guitarist, songwriter, and producer.
 He is a founding member of Silvertide and the newly formed band Mount Holly, and has also played for Shinedown, Perry Farrell, Matt Sorum, and sister Christina Perri.
 In 2009 Perri launched a custom guitar brand called “Perri Ink."
 On October 3, 2011 he opened the doors to the Perri Ink.
 Cartel, his first retail store.
 The store was closed on November 1, 2013, but the business remains active online.
81db is a band based in Italy that was formed in April 2006 by the Greek guitarist Kostas Ladopoulos.
 As he stated in the band's first interviews, the musical idea was to try to combine a new alternative rock/metal sound by mixing melodies and heavy guitar riffs with folk elements derived from Kostas’ Greek origins.
 The current members of the band are Kostas Ladopoulos (Guitars, Bouzouki), Filippo Capursi (Drums), William Frodella (Vocals), Vieri Pestelli (Bass).
 The band had their debut album out on 2009 through Orion’s Belt Records and published by EMI in Italy and distributed by Minos EMI in Greece.
 They are currently working with the producer Sylvia Massy for their upcoming release of 2011.
Shinedown is an American rock band from Jacksonville, Florida.
 Formed by Brent Smith in 2001 after the dissolution of his prior band, Smith, still under contract with record label Atlantic Records, recruited the band's original lineup of Jasin Todd as guitarist, Brad Stewart on bass, and Barry Kerch on drums.
 Consistent for the first two album cycles, a few lineup changes followed in the late 2000s, eventually stabilizing with Smith and Kerch, as remaining members alongside newcomers Zach Myers on guitar, and Eric Bass on bass.
 The group has released five studio albums: "Leave a Whisper" (2003), "Us and Them" (2005), "The Sound of Madness" (2008), "Amaryllis" (2012), and "Threat to Survival" (2015).
 Shinedown has sold more than ten million records worldwide, and has had 11 number one singles on the "Billboard" Mainstream Rock charts, the third most of all-time, behind Van Halen and Three Days Grace.
Thomas White (born 30 April 1984) is a Brighton, England-based songwriter, singer, musician, producer and visual artist.
 Educated at Davigdor Infants, Somerhill Juniors and Hove Park schools, he began learning the piano at the age of 5, picking up the violin a year later and teaching himself guitar, drums and clarinet in his early teens.
 White formed his first band (Fixed Ascent, later The Feltro Media) at the age of 13, with his brother, Alex, and school-friend Alistair Gavan (later of Diomedes, Sparrow and Villareal).
 He signed his first record deal (with DB Records) whilst still 16 and studying for his GCSEs.
Adelitas Way is an American hard rock band formed in Las Vegas, Nevada in 2006.
 The band's debut single "Invincible", broke them into the mainstream scene after the song made numerous television appearances in commercials and live sporting events.
 As of 2017, the band has toured with notable acts such as Shinedown, Guns N' Roses, Creed, Papa Roach, Godsmack, Theory of a Deadman, Seether, Three Days Grace, Breaking Benjamin, Deftones, Puddle of Mudd, Sick Puppies, Staind, Alter Bridge, Skillet, Halestorm, Thousand Foot Krutch and others.
The dB's are an American power pop and jangle pop group who first came into prominence in the late 1970s and 1980s.
 The band members are Peter Holsapple, Chris Stamey, Will Rigby and Gene Holder.
 While the members are all from Winston-Salem, North Carolina, the group was formed in New York City in 1978.
 In 2012, the band completed its first new studio album in 25 years and its first in 30 years with the original 1978 lineup.
Acrassicauda is an American-based Iraqi heavy metal band formed in 2001.
 It is often credited as being the first heavy metal group to emerge from Iraq.
 The original band consisted of three Arab members and one Assyrian (Tony Aziz Yaqoo).
 The band formed and played concerts under the regime of Saddam Hussein.
 It became well known outside of the local Iraqi metal scene after Vice magazine did a profile of the band.
 It received even greater coverage when it was profiled in a feature-length documentary about the band and its troubles in Iraq called "Heavy Metal in Baghdad".
 The band's first album was released on March 9, 2010.