Question: ABBA (Swedish pronunciation: [2ab:a]) were a Swedish pop group, formed in Stockholm in 1972 by Agnetha Faltskog, Bjorn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad: the group name derives from the first letter in each of their names. They became one of the most commercially successful acts in the history of popular music, topping the charts worldwide from 1974 to 1982. ABBA won the Eurovision Song Contest 1974 at The Dome in Brighton, UK, giving Sweden its first triumph in the contest. They are the most successful group to have taken part in the competition.

In March 1976, the band released the compilation album Greatest Hits, despite having had only six top 40 hits in the United Kingdom and the United States. Nevertheless, it became their first UK number-one album, and also took ABBA into the Top 50 on the US album charts for the first time, eventually selling more than a million copies there. At the same time, Germany released a compilation named The Very Best of ABBA, also becoming a number-one album there whereas the Greatest Hits compilation followed a few months later to number-two on the German charts, despite all similarities with The Very Best album. Also included on Greatest Hits was a new single, "Fernando", which went to number-one in at least thirteen countries worldwide, including the United Kingdom, Germany and Australia, and the single went on to sell over 10 million copies worldwide. In Australia, the song occupied the top position for 14 weeks (and stayed in the chart for 40 weeks), tying with the Beatles' "Hey Jude" for longest-running number-one, and making "Fernando" one of the best-selling singles of all time in Australia. That same year, the group received its first international prize, with "Fernando" being chosen as the "Best Studio Recording of 1975". In the United States, "Fernando" reached the Top 10 of the Cashbox Top 100 singles chart and number 13 on the Billboard Hot 100. It also topped the Billboard Adult Contemporary chart, ABBA's first American number-one single on any chart.  The group's fourth studio album, Arrival, a number-one best-seller in Europe and Australia, represented a new level of accomplishment in both songwriting and studio work, prompting rave reviews from more rock-oriented UK music weeklies such as Melody Maker and New Musical Express, and mostly appreciative notices from US critics. Hit after hit flowed from Arrival: "Money, Money, Money", another number-one in Germany and Australia, and "Knowing Me, Knowing You", ABBA's sixth consecutive German number-one as well as another UK number-one. The real sensation was "Dancing Queen", not only topping the charts in loyal markets the UK, Germany and Australia, but also reaching number-one in the United States. In South Africa, ABBA had astounding success with "Fernando", "Dancing Queen" and "Knowing Me, Knowing You" being among the top 20 best-selling singles for 1976-77. In 1977, Arrival was nominated for the inaugural BRIT Award in the category "Best International Album of the Year". By this time ABBA were popular in the United Kingdom, most of Western Europe, Australia and New Zealand. In Frida - The DVD, Lyngstad explains how she and Faltskog developed as singers, as ABBA's recordings grew more complex over the years.  The band's popularity in the United States would remain on a comparatively smaller scale, and "Dancing Queen" became the only Billboard Hot 100 number-one single ABBA had there (they did, however, get three more singles to the number-one position on other Billboard charts, including Billboard Adult Contemporary and Hot Dance Club Play). Nevertheless, Arrival finally became a true breakthrough release for ABBA on the US album market where it peaked at number 20 on the Billboard 200 chart and was certified gold by RIAA.

Using a quote from the above article, answer the following question: was it successful?
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Answer: it became their first UK number-one album, and also took ABBA into the Top 50 on the US album charts for the first time,


Question: Coretta Scott King (April 27, 1927 - January 30, 2006) was an American author, activist, civil rights leader, and the wife of Martin Luther King, Jr. Coretta Scott King helped lead the Civil Rights Movement in the 1960s. She was an active advocate for African-American equality. King met her husband while in college.

Coretta was viewed during her lifetime and posthumously as having striven to preserve her husband's legacy. The King Center, which she created the year of his assassination, allowed her husband's tomb to be memorialized. King was buried with her husband after her death, on February 7, 2006. King "fought to preserve his legacy" and her construction of the King Center is said to have aided in her efforts.  King has been linked and associated with Jacqueline Kennedy and Ethel Kennedy, as the three all lost their husbands to assassinations. The three were together when Coretta flew to Los Angeles after the assassination of Robert F. Kennedy to be with Ethel and shared "colorblind compassion." She has also been compared to Michelle Obama, the first African-American First Lady of the United States.  She is seen as being primarily responsible for the creation of the Martin Luther King, Jr. holiday. The holiday is now observed in all fifty states and has been since 2000. The first observance of the holiday after her death was commemorated with speeches, visits to the couple's tomb and the opening of a collection of Martin Luther King, Jr.'s papers. Her sister-in-law Christine King Farris said, "It is in her memory and her honor that we must carry this program on. This is as she would have it."  On February 7, 2017, Republicans in the Senate voted that Sen. Elizabeth Warren had violated Senate rule 19 during the debate on attorney general nominee Sen. Jeff Sessions, claiming that she impugned his character when she quoted statements made about Sessions by Coretta and Sen. Ted Kennedy. "Mr. Sessions has used the awesome power of his office to chill the free exercise of the vote by black citizens in the district he now seeks to serve as a federal judge. This simply cannot be allowed to happen," Coretta wrote in a 1986 letter to Sen. Strom Thurmond, which Warren attempted to read on the Senate floor. This action prohibited Warren from further participating in the debate on Sessions' nomination for United States Attorney General. Instead, she stepped into a nearby room and continued reading Coretta's letter while streaming live on the Internet.

Using a quote from the above article, answer the following question: What is the significance of this?
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Answer:
She is seen as being primarily responsible for the creation of the Martin Luther King, Jr. holiday.