Louis Daniel Armstrong, known as "Satchmo," "Satch," and "Pops," was born on August 4, 1901, in New Orleans. His influential career as an American trumpeter and vocalist spanned five decades, leaving an indelible mark on the history of jazz.

Raised in poverty in the rough neighborhood known as The Battlefield, Armstrong's early life was marked by challenges. Born to Mary Estelle "Mayann" Albert and William Armstrong, he was raised by his grandmother until the age of five, after which he returned to live with his mother. His formative years involved working for the Karnoffsky family, Lithuanian Jews who treated him well and introduced him to music.

Armstrong's musical journey began with a tin horn and evolved when he joined the Colored Waif's Home after a juvenile incident. Under the guidance of Captain Joseph Jones, Armstrong learned to play the cornet, setting the stage for his future musical prowess. Joining King Oliver's band in 1919 marked a turning point, and by 1922, he moved to Chicago, where he played in Oliver's Creole Jazz Band.

In Chicago, Armstrong's reputation grew, and he became a featured soloist and recording artist. His innovative trumpet and cornet playing shifted the focus of jazz from collective improvisation to solo performance. By the 1950s, he became a national musical icon, appearing in radio and television broadcasts and films.

Armstrong's best-known songs include "What a Wonderful World," "La Vie en Rose," and "Hello, Dolly!" His collaboration with Ella Fitzgerald produced influential records, and he appeared in films such as "High Society" and "Hello, Dolly!"

Beyond his musical contributions, Armstrong received numerous accolades, including the Grammy Award for Best Male Vocal Performance for "Hello, Dolly!" in 1965 and a posthumous Grammy Lifetime Achievement Award in 1972. He was inducted into the National Rhythm & Blues Hall of Fame in 2017.

Louis Armstrong's impact on jazz and popular music extended globally. He was one of the first popular African-American entertainers to gain wide popularity with white and international audiences, breaking racial barriers. Armstrong's influence reached beyond entertainment, making him an American icon.

Despite criticism from some postwar jazz musicians, Armstrong's resilience and adaptability allowed him to navigate changing musical tastes. In the 1960s, he embarked on international tours, earning the nickname "Ambassador Satch" for his cultural diplomacy efforts.

Armstrong's personal life involved multiple marriages, including Lil Hardin Armstrong, who played a crucial role in his career. His health faced challenges, including lip damage from aggressive trumpet playing. Armstrong's stance on racial issues was complex, performing for segregated audiences but also speaking out against segregation during the Little Rock crisis.

Beyond music, Armstrong's legacy encompasses appearances in Hollywood films, radio shows, and literature. His influence on jazz vocal interpretation, scat singing, and trumpet playing make him a monumental figure in music history. Armstrong passed away on July 6, 1971, leaving behind a legacy that continues to resonate globally through museums, awards, and tributes to his enduring impact on the world of entertainment.

Reference: 

https://en.wikipedia.org/wiki/Louis_Armstrong