Question: Which band Birthmark or Alt-J was formed first ?

Context paragraphs:
Alt-J: Alt-J, stylised as alt-J, are an English indie rock band formed in 2007 in Leeds, by Gwil Sainsbury (guitar/bass), Joe Newman (guitar/lead vocals), Thom Sonny Green (drums) and Gus Unger-Hamilton (keyboards/vocals).

Birthmark (band): Birthmark are a pop electro band from Athens, initially formed in 2001 under the name Cuore Nero.

West Bengal Legislative Assembly election, 1967: The West Bengal Legislative Assembly election, 1967 was held in Indian state of West Bengal in 1967 to elect 280 members to the West Bengal Legislative Assembly.  United Front led by Ajoy Mukherjee won majority of seats in the election, and formed first non-Congress government of the state.

Konstantin Vakulovsky: Captain Konstantin Konstantinovich Vakulovsky (born 28 October 1894, died Summer 1918) was a World War I flying ace credited with six aerial victories.  A major general's son, he volunteered for aviation duty on 8 August 1914, six days after graduating from university.  He taught himself to fly, and became one of Russia's first military pilots on 13 June 1915.  After escaping the fall of the Novogeorgievsk Fortress in a hazardous flight, Vakylovsky flew reconnaissance missions, some through heavy ground fire.  Given command of the newly formed First Fighter Detachment, he became a flying ace credited with six aerial victories.  He died in a flying accident during Summer 1918.

Japp–Maitland condensation: The Japp–Maitland condensation is an organic reaction and a type of Aldol reaction and a tandem reaction.  In a reaction between the ketone 2-pentanone and the aldehyde benzaldehyde catalyzed by base the bis Aldol adduct is formed first.  The second step is a ring-closing reaction when one hydroxyl group displaces the other in a nucleophilic substitution forming an oxo-tetrahydropyran.

SV St. Georg: SV St. Georg Hamburg is a German association football club playing in Hamburg.  The club was established 3 June 1895 and shares a common origin with "FC Hammonia Hamburg": both sides arose out of the students group Seminarvereinigung Frisch-Auf with "St. Georg" being formed first on the left bank of the Alster River, and "Hammonia" appearing later on the right bank.  Like their brother side, "St. Georg" was a founding member of the German Football Association (Deutscher Fussball Bund or German Football Association) at Leipzig in 1900.  However, while "Hammonia" folded after only a short existence, "St. Georg" still plays today.

Love Agenda: Love Agenda is the second album by Band of Susans, released on April 17, 1989 by Blast First and Restless Records.  Page Hamilton, later frontman for Helmet, played guitar on the album and sang the lead vocals on the track "It's Locked Away".  Also notable was bassist Susan Stenger singing her first lead vocals on the songs "The Pursuit of Happiness", "Birthmark" and "Hard Light".  Robert Poss was an admirer of the Rolling Stones and CD versions of "Love Agenda" features a cover of "Child of the Moon".

Harris, Forbes &amp; Co.: Harris, Forbes & Co. was an investment banking affiliate of Harris Bank incorporated in 1911.  Harris, Forbes firm was acquired by Chase Manhattan Bank in 1930 to form Chase Harris, Forbes.  Just two years later, in 1932, the firm was dissolved after the passage of the Glass–Steagall Act in 1932.  Chase transferred what remained of its securities business to the Bank of Boston's newly formed First Boston Corporation, buttressing that firm's early municipal bond department.

Primary rock: Primary rock is an early term in geology that refers to crystalline rock formed first in geologic time, containing no organic remains, such as granite, gneiss and schist as well as igneous and magmatic formations from all ages.  Webster's Revised Unabridged Dictionary published in 1913 provides the following term as used in geology:

Liberty Baptist Church (Grooverville, Georgia): Liberty Baptist Church is a historic church built about 1858 in Grooverville, Georgia.  It was added to the National Register of Historic Places on August 20, 2013.  It is located on Liberty Church Road.  There is a Georgia Historical Commission historical marker at the site.  According to the marker: "In 1841 the Ocklochnee anti-Missionary Baptist Association passed a ruling to dismiss members believing in the 'new fangled institutions of the day.'"  One of the excommunicated sisters joined with others in forming the Liberty Baptist Church.  The church includes a slave gallery.  Freed slaves from the area formed First Elizabeth Church in Grooverville.

Supporting paragraphs: Birthmark (band) Alt-J
Answer: Birthmark