Question: When was the sixth studio album released in the United States by the first Australian pop music group to achieve major chart and sales success in the United Kingdom and the United States?

Context articles: Disco Deewane
Giulietta (singer)
Despina Vandi discography
Seekers Seen in Green
List of songs recorded by Oh Land
Live by the Words
Cheryl discography
Judith Durham
The Seekers
The Veronicas discography

Disco Deewane (Urdu: ‎ ) is a 1981 best-selling pop album by Nazia Hassan with her brother Zoheb Hassan, composed and produced by Indian synth-pop composer Biddu.
 It charted in fourteen countries worldwide and became the best-selling Asian pop record to-date.
 It changed trends in music across South Asia, where it broke sales records, such as selling 100,000 records within a day of its release in Mumbai alone.
 In South Asia, where the music industry was previously dominated by "filmi" soundtracks, "Disco Deewaane" was the first non-soundtrack album to become a major success across the region, paving the way for the emergence of independent Pakistani and Indian pop music scenes.
 It was also the first South Asian pop album to top the charts in Brazil, while also becoming a hit in Russia, South Africa, and Indonesia, and a success among the South Asian diaspora in regions such as the Canada, United Kingdom, United States, and West Indies.
 Nazia Hassan was the first girl who introduced Pop music in Asia.
Giulia Russo (born 12 November 1992), known mononymously as Giulietta, is an Australian pop singer, songwriter, dancer, rapper and model of Italian descent.
 She released her first collaborative single "Dirty House Music" with DJ Marcus Knight in 2008 before releasing her debut studio album, "Ascension", in 2010.
 Her debut single "Vertigo" peaked at No. 16 on the Billboard Hot Dance Club Play charts, effectively rendering her the first Australian unsigned female to make an impact on the US chart and making her a number-one Breakthrough Artist.
 Two years later, she released her second studio album, entitled "911: Code Pink".
This page includes the discography of singer Despina Vandi.
 Vandi began a musical career in 1994 after signing with Minos EMI.
 She released two albums with little success, "Gela Mou" (1994) and "Esena Perimeno" (1996), before beginning an exclusive collaboration with composer Phoebus, which would eventually become one of the most successful partnerships in Greek history, and striking commercial success with her third and fourth albums "Deka Endoles" (1997) and "Profities" (1999), the latter which reached multi-platinum status.
 In the 2000s, Vandi and Phoebus began experimenting with more contemporary, radio-friendly pop influences in combination with laiko repertoire to much initial success.
 Her single "Ipofero" (2000) became the best-selling Greek single of all time (Virgin Megastores); after the success Vandi and Phoebus signed to new-found independent label Heaven Music with "Gia" (2001) remaining the label's biggest sales success, and one of the biggest-selling albums of all time in Greece.
 For the sales of "Gia", Vandi became the first of four artists recording in Greece to receive a World Music Award for "World's Best Selling Greek Artist".
 With "Gia" earning success in neighboring markets as well, Vandi embarked on a career abroad briefly to some mild success; she became the first Greek artist to chart on any "Billboard" chart, reaching number one on the Hot Dance Airplay Chart for 2 weeks and 39 on the Hot Dance Club Play chart, although her later singles proved less successful.
 Vandi released her first live album in 2003 before taking a maternity leave after having her first child.
 During this time, both her former and current label released a number of compilations and video albums to capitalize on her recent marketability.
 Vandi returned with another multi-platinum record, "Stin Avli Tou Paradeisou", before another maternity leave. "
10 Hronia Mazi" (2007) was released as a celebration of her 10-year collaboration with Phoebus.
 In 2009 Vandi and Phoebus announced that they were leaving Heaven Music in favor of a new label founded by Phoebus.
 The biggest music channel in Greece, MAD TV, in tribute to the 10 years since its foundation called Despina Vandi as the biggest female Greek star in Greek music.
 Vandi has sold over 1 million records.
Seekers Seen in Green is the sixth studio album by the Australian group The Seekers.
 It was released in the UK and Europe in 1967 by Columbia Records and EMI Records.
 It was released in Canada in 1967 and in the US in 1968 by Capitol Records.
 It was also released in Germany and the Netherlands on LP on the Emidisc‡ label in 1976.
 It was released on CD in 1999 in the UK.
Danish singer-songwriter Oh Land has recorded material for four studio albums and guest features.
 She has also released an EP and a soundtrack album, and appeared as a featured artist for songs on other artists' releases.
 After solely writing and independently issuing "Fauna" in 2008 with Fake Diamond Records, Oh Land released her eponymous second studio album in 2011.
 "Oh Land" explored dance and modern pop music and featured contributions from a variety of producers.
 It peaked at number five on the Danish Albums Chart, and became certified platinum for sales of 20,000 copies in December 2012.
 "Oh Land" additionally peaked at number 184 on the United States' "Billboard" 200, becoming her first and only album to do so.
 Five singles were released from the effort, with three of them ("Sun of a Gun", "White Nights", and "Speak Out Now") peaking within the top forty of the single charts in Denmark; "Sun of a Gun" also landed the number twelve spot on "Billboard"' s Dance Club Songs chart.
 Oh Land's "otherworldy vocals" and "lush soundscapes" on the album drew comparisons to the music of Björk, La Roux, and Lykke Li.
 She was featured three times on Danish rock band Kashmir's sixth studio album "Trespassers" (2010), on "Bewildering in the City", "Mouthful of Wasps", and "Pallas Athena".
 In 2011, Oh Land contributed guest vocals to "Life Goes On", a promotional single for "The Papercut Chronicles II" (2011) by Gym Class Heroes.
Live by the Words is the debut studio album by Australian pop music group Justice Crew, released on 28 November 2014 through Sony Music Australia.
 The album debuted and peaked at number-seven on the Australian ARIA Albums Chart following its release.
The discography of English recording artist Cheryl consists of four studio albums, one extended play, nine singles (excluding three as a featured artist), and fourteen music videos.
 Cheryl's first foray into a solo music career occurred when she featured on will.i.am's "Heartbreaker".
 After having streetdancing lessons during the filming of "Passions of Girls Aloud" series, Cheryl was picked to appear in the song's video.
 She was later asked to sing the female vocals on the UK release of the track, which reached number four in the United Kingdom and sold over 250,000 copies, giving the single a silver certificate by the BPI.
 It was the 31st best selling single of 2008.
 Cheryl's solo career began in October 2009 with the release of "Fight for This Love", the lead single from her debut studio album, "3 Words".
 The track saw Cheryl achieve her first solo number-one single when it topped the UK chart, while also attaining international chart success; peaking within the top 10 in the likes of France, Germany and the Netherlands.
 The parent album debuted at number one in the UK with sales of 125,271.
 On 6 November 2009 the British Phonographic Industry (BPI) certified the album platinum.
 It has since gone 3× Platinum, with sales of over 1,000,000 copies. "
3 Words" is both the opening and title song from her debut studio album.
 It was released in the UK and Ireland on 20 December 2009 went on to become Fernandez-Versini's second consecutive UK top-five and Irish-top ten hit.
 It was also a top five hit in Australia and has since been certified platinum by the Australian Recording Industry Association and gold by the British Phonographic Industry. "
Parachute" was released on 11 March 2010 as the album's third and final single.
 "Parachute" became Cheryl's third consecutive solo UK top five hit, and her third Irish top 10 hit.
 It was nominated for a Brit Award in 2011.
Judith Mavis Durham (born Judith Mavis Cock; 3 July 1943) is an Australian singer and musician who became the lead singer for the Australian popular folk music group The Seekers in 1963.
 The group subsequently became the first Australian pop music group to achieve major chart and sales success in the United Kingdom and the United States, and have sold over 50 million records worldwide.
 Durham left the group in mid-1968 to pursue her solo career.
 In 1993, Durham began to make sporadic recordings and performances with The Seekers, though she remains primarily a solo performer.
The Seekers are an Australian folk-influenced pop quartet, originally formed in Melbourne in 1962.
 They were the first Australian pop music group to achieve major chart and sales success in the United Kingdom and the United States.
 They were popular during the 1960s with their best-known configuration as: Judith Durham on vocals, piano, and tambourine; Athol Guy on double bass and vocals; Keith Potger on twelve-string guitar, banjo, and vocals; and Bruce Woodley on guitar, mandolin, banjo, and vocals.
Australian pop duo The Veronicas have released three studio albums, two live albums, one compilation album, three extended plays, sixteen singles, fifteen music videos and two video albums.
 Their debut studio album, "The Secret Life Of...", was released in Australia in October 2005.
 Influenced by pop rock, pop punk and teen pop genres, the album was successful in Australia, where it reached number two and gained quadruple Platinum certification from the Australian Recording Industry Association (ARIA).
 The album's lead single, "4ever", peaked at number two on the Australian Singles Chart and became a top-twenty hit in countries such as Ireland, New Zealand and the United Kingdom.
 Four additional singles were released from the album, including "Everything I'm Not" and "When It All Falls Apart", which reached the top ten in Australia and earned Gold certification.