Moment

Kool Herc · block party 1973

August 11, 19731520 Sedgwick Avenue · The Bronx · New York City
THE STORY

August 11, 1973: Cindy Campbell throws a back-to-school party at 1520 Sedgwick Avenue in the Bronx and her brother Kool Herc DJs. It became hip-hop’s symbolic birthday, one famous night inside a culture already forming around them.

GO DEEPER

Cindy Campbell organized the Back-to-School Jam in the recreation room of 1520 Sedgwick Avenue on August 11, 1973, with her brother Clive “DJ Kool Herc” Campbell on the turntables. Herc, who had grown up in Jamaica, brought experience with powerful sound and party culture into a Bronx setting and became known for extending the instrumental breaks dancers wanted to hear. The party is celebrated as hip-hop’s birthday because it gives a concrete date and place to a much larger neighborhood process. That does not mean hip-hop materialized from nothing that night. Black and Latino youth across the Bronx were developing DJing, MCing, dance, graffiti and party culture through many people and places. Sedgwick is a landmark, not a one-man creation myth.

1520 SedgwickBronx 1973breaks extendedsymbolic birthday

Where the history is argued

  • Calling this single party the literal instant hip-hop was “invented” is a useful anniversary story but historically too neat. The culture developed across multiple Bronx communities, parties and practices.

How they stand with the others

Came togetherAugust 11, 1973 is best treated as hip-hop’s symbolic birthday, not proof that an entire culture was invented in one room in one night.

Traveled with the soundHerc’s Jamaican background is part of the story, while the culture that formed in the Bronx was an American creation built by a wider Black and Latino community.

Listen

People

Cindy CampbellDJ Kool HercCoke La Rock

Connected

Sources

Smithsonian · How Hip-Hop Was Born 50 Years Ago at a Block Party in the Bronx smithsonianmag.comMuseum-backed account documenting Cindy Campbell, Herc, 1520 Sedgwick and the August 11 party.
National Museum of African American History and Culture · 1520 Sedgwick collection object nmaahc.si.eduPrimary museum collection evidence tied to parties thrown by Herc and Cindy Campbell.
U.S. Congressional Record · Senate Resolution 331 congress.govOfficial recognition of August 11, 1973 as a foundational hip-hop milestone while calling hip-hop an American creation.

Last checked 1 September 2026

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