Question: Live at the Boston Garden: April 5, 1968 was broadcast to quell riots that took place in which cities ?

Context paragraphs:
Live at the Boston Garden: April 5, 1968: Live at the Boston Garden: April 5, 1968 is a concert film starring James Brown.  Recorded at the Boston Garden by WGBH-TV the night after the assassination of Martin Luther King, Jr., it was broadcast live in an effort to quell potential riots in the city.  The recording circulated as a bootleg before it was officially released on DVD by Shout!  Factory in 2008 as part of the box set "I Got the Feelin': James Brown in the '60s".  It received a stand-alone release in 2009.

1968 ECAC Hockey Men's Ice Hockey Tournament: The 1968 ECAC Hockey Men's Ice Hockey Tournament was the 7th tournament in league history.  It was played between March 5 and March 9, 1968.  Quarterfinal games were played at home team campus sites, while the 'final four' games were played at the Boston Garden in Boston, Massachusetts.  By reaching the championship game both, Cornell and Boston College received invitations to participate in the 1968 NCAA Division I Men's Ice Hockey Tournament.

Farhud: Farhud (Arabic: الفرهود‎ ‎ ) refers to the pogrom or "violent dispossession" carried out against the Jewish population of Baghdad, Iraq, on June 1–2, 1941, immediately following the British victory in the Anglo-Iraqi War.  The riots occurred in a power vacuum following the collapse of the pro-Nazi government of Rashid Ali, while the city was in a state of instability.  The violence came immediately after the rapid defeat by the British of Rashid Ali, whose earlier coup had generated a short period of national euphoria, and was charged by allegations that Iraqi Jews had aided the British.  Over 180 Jews were killed and 1,000 injured, and up to 300-400 non-Jewish rioters were killed in the attempt to quell the violence.  Looting of Jewish property took place and 900 Jewish homes were destroyed.

King assassination riots: The King assassination riots, also known as the Holy Week Uprising, was a wave of civil disturbance which swept the United States following the assassination of Martin Luther King Jr. on April 4, 1968.  They were the greatest wave of social unrest the United States experienced since the Civil War.  Some of the biggest riots took place in Washington, D.C., Baltimore, Chicago, and Kansas City.

1968 Pittsburgh riots: The 1968 Pittsburgh riots were a series of urban disturbances that erupted in Pittsburgh on April 5, 1968, following the assassination of Martin Luther King.  Pittsburgh, along with 110 other cities, burned for several days and 3,600 National Guardsmen were needed to quell the disorder.  The neighborhoods most impacted were the Hill District, North Side, and Homewood with casualties including one death and 36 injuries.  Over 100 businesses were either vandalized or looted with arsonists setting 505 fires.  Order was finally restored on April 11 with 1,000 arrests being made and whole commercial districts being burned out.  Many of the areas affected by the disorder never fully recovered in the following decades.

Long hot summer of 1967: Long hot summer of 1967 refers to the 159 race riots that erupted across the United States in 1967.  In June there were riots in Atlanta, Boston, and Cincinnati, as well as the Buffalo riot (in Buffalo, New York), and a riot in Tampa, Florida.  In July there were riots in Birmingham, Chicago, New York, Milwaukee, Minneapolis, New Britain, Conn., Rochester, N.Y., and a riot in Plainfield, New Jersey.  The most serious riots of the summer took place in July, with the riot in Newark, New Jersey and the Twelfth Street riot, in Detroit, Michigan.  As a result of the rioting in the Summer of 1967, and the preceding two years, President Johnson established the Kerner Commission to investigate the rioting.

Survivor Series (1993): Survivor Series (1993) was the seventh annual Survivor Series pay-per-view professional wrestling (PPV) event produced by the World Wrestling Federation (WWF).  It took place on Thanksgiving Eve, November 24, 1993, at the Boston Garden in Boston, Massachusetts.

Nine Tonight: Nine Tonight is a live album by American rock band Bob Seger & The Silver Bullet Band, released in 1981 (see 1981 in music).  The album was recorded at Cobo Hall in Detroit, Michigan, in June 1980 and at the Boston Garden in Boston, Massachusetts in October 1980.  With the exception of three tracks - "Nine Tonight", "Tryin' To Live My Life Without You" and "Let It Rock" - the album is composed entirely of songs drawn from Seger's three previous studio albums.  Only "Let It Rock" was repeated from the previous live album "Live Bullet". " Tryin' to Live My Life Without You" was a U.S. top 5 pop hit, peaking at #5.  The album's title track was originally recorded for the "Urban Cowboy" soundtrack album.

Osh riots (1990): The Osh riots (Kyrgyz: Ош окуясы ; Uzbek: "Oʻsh voqeasi, Ўш воқеаси" ; Russian: Ошская резня ) were an ethnic conflict between Kirghiz (Kyrgyz) and Uzbeks that took place in June 1990 in the cities of Osh and Uzgen, part of the Kirghizia.  The immediate cause of the riots was a dispute between an Uzbek nationalist group Adolat and a Kyrgyz nationalist group Osh Aymaghi over the land of a former collective farm.  While official estimates of the death toll range from over 300 to more than 600, unofficial figures range up to more than 1,000.  The riots have been seen as a forerunner to the 2010 ethnic clashes in the same region.

1920 Nebi Musa riots: The 1920 Nebi Musa riots or 1920 Jerusalem riots took place in British-controlled part of Occupied Enemy Territory Administration (which would shortly become Mandatory Palestine) between Sunday, 4 and Wednesday, 7 April 1920 in and around the Old City of Jerusalem.  Five Jews and four Arabs were killed, and several hundred were injured.  The riots coincided with and are named after the Nebi Musa festival, which took place every year on Easter Sunday, and followed rising tensions in Arab-Jewish relations.  The events came shortly after the Battle of Tel Hai and the increasing pressure on Arab nationalists in Syria in the course of the Franco-Syrian War.

Supporting paragraphs: Live at the Boston Garden: April 5, 1968 King assassination riots
Answer: Washington, D.C., Baltimore, Chicago, and Kansas City