Jackie Robinson: Biography, Legacy, and Facts

Jackie Robinson shattered baseball’s color barrier on April 15, 1947, but his legacy extends far beyond the diamond. This article walks through the facts, milestones, and lingering questions about the man whose number 42 remains the most recognizable jersey in sports.

Born: January 31, 1919 ·
Died: October 24, 1972 ·
MLB Debut: April 15, 1947 ·
Teams: Brooklyn Dodgers (1947–1956) ·
Hall of Fame Induction: 1962 ·
Number Retired Across MLB: 42 (since 1997)

Ten facts, one pattern: Jackie Robinson’s life can be told through precise dates and milestones, each anchored to a trusted institution. Here’s the full snapshot.

Why is Jackie Robinson so famous?

Breaking the color barrier in MLB

• Robinson debuted with the Brooklyn Dodgers on April 15, 1947, making him the first African American to play in Major League Baseball in the modern era (Britannica (authoritative encyclopedia)).
• His appearance ended baseball’s color line that had kept Black players out of the majors since the 1880s (National Baseball Hall of Fame (official museum)).

Robinson didn’t just play—he excelled. He was named 1947 MLB Rookie of the Year and later became the 1949 National League MVP (Sports Business Journal (sports industry journal)). Over 10 seasons he hit .311, stole 197 bases, and won a World Series with the Dodgers in 1955.

Impact on civil rights and American society

• Robinson used his platform to speak out for racial equality, supporting the Civil Rights Movement and corresponding with figures like Martin Luther King Jr. (Biography.com (biographical resource)).
• After baseball, he became a businessman and activist, co-founding the Freedom National Bank and serving on the NAACP board.

The implication: Robinson’s fame rests on a double legacy—athletic excellence and a courage that forced an entire institution to confront its racism. Few athletes can claim both.

What happened to Jackie Robinson?

His life after baseball

• After retiring from MLB following the 1956 season, Robinson entered the business world and stayed active in civil rights (National Baseball Hall of Fame (official museum)).
• He served as a vice president at Chock Full o’Nuts, helped establish the Freedom National Bank, and chaired the NAACP’s “Freedom Fund” drive (Britannica (authoritative encyclopedia)).

Cause of death and final years

• Jackie Robinson died of a heart attack on October 24, 1972, at his home in Stamford, Connecticut (Britannica (authoritative encyclopedia)).
• He had type 2 diabetes and other health complications that had worsened in his final years.

The pattern: Robinson’s death at 53 cut short a post-baseball career that was arguably as impactful as his playing days—a reminder that his contributions were never confined to the field.

Is the number 42 retired in all sports?

How number 42 is honored in MLB

• On April 15, 1997—the 50th anniversary of Robinson’s debut—MLB universally retired number 42 for all major league teams (HISTORY (historical reference)).
• Players who were already wearing 42 before 1997 were allowed to keep it (grandfather clause). The last was Mariano Rivera, who retired after the 2013 season (MLB.com (official league site)).

Usage of 42 in other sports leagues

• No other major professional league (NBA, NFL, NHL) has universally retired number 42. Individual teams may honor specific players, but there is no league-wide ban.
• For example, the NBA has retired several numbers for individual players, but 42 is still in active use by current athletes.

The catch: number 42’s MLB-wide retirement is unique—no other sports league has followed suit, making Robinson’s honor an outlier rather than a precedent.

Did Jackie Robinson fight in WWII?

Jackie Robinson’s military service during World War II

• Robinson was drafted into the U.S. Army in 1942 and commissioned as a second lieutenant in 1943 (Britannica (authoritative encyclopedia)).
• He never saw combat. In 1944 he faced a court-martial for refusing to move to the back of a segregated military bus (National Baseball Hall of Fame (official museum)).
• The charges were dismissed, and he received an honorable discharge. After the acquittal he served as a coach for Army athletics (Wikipedia (user-contributed encyclopedia)).

Why this matters: his military experience—especially the bus incident—mirrors the same dignity and defiance he would show in baseball, foreshadowing the courage that defined his career.

How old would Jackie Robinson be today?

Calculating his age if alive today

• Jackie Robinson was born on January 31, 1919 (Britannica (authoritative encyclopedia)).
• If alive in 2025, he would be 106 years old.

The trade-off: this calculation is purely historical—Robinson’s death at 53 means the baseball world never got to see him as an elder statesman, though his legacy only grew after his passing.

Timeline of key events

From birth to posthumous honors, here are the milestones that define Robinson’s journey.

• January 31, 1919: Born in Cairo, Georgia (Britannica (authoritative encyclopedia))
• 1942: Drafted into U.S. Army for World War II (Britannica (authoritative encyclopedia))
• 1944: Honorably discharged from Army (National Baseball Hall of Fame (official museum))
• 1945: Signed with the Kansas City Monarchs of the Negro Leagues (Britannica (authoritative encyclopedia))
• October 23, 1945: Signed contract with Brooklyn Dodgers organization (Britannica (authoritative encyclopedia))
• April 15, 1947: MLB debut, breaking the color barrier (MLB.com (official league site))
• 1947: Named MLB Rookie of the Year (National Baseball Hall of Fame (official museum))
• 1949: Named National League MVP (National Baseball Hall of Fame (official museum))
• 1955: Won World Series with Brooklyn Dodgers (National Baseball Hall of Fame (official museum))
• 1956: Final MLB season (National Baseball Hall of Fame (official museum))
• 1962: Inducted into Baseball Hall of Fame (Sports Business Journal (sports industry journal))
• October 24, 1972: Died at age 53 (Britannica (authoritative encyclopedia))
• 1997: MLB universally retires number 42 (HISTORY (historical reference))
• 2004: Awarded Presidential Medal of Freedom (posthumous) (Britannica (authoritative encyclopedia))
• April 15, 2007: First official Jackie Robinson Day across MLB (MLB.com (official league site))
• 2013: Mariano Rivera, last player to wear number 42, retires (MLB.com (official league site))

The timeline shows the arc of a life that changed baseball and America.

What we know and what remains unclear

The clarity block summarizes the known facts and lingering uncertainties about Robinson’s life.

Voices on Jackie Robinson

“I’m not concerned with your liking or disliking me… All I ask is that you respect me as a human being.”

— Jackie Robinson

“To honor Jackie Robinson, no new player shall wear number 42.”

— Major League Baseball official statement

“He was a pioneer who changed the game and the country.”

— Rachel Robinson, wife of Jackie Robinson

Robinson’s own words and the tributes from those closest to him underscore the dual impact of his life: baseball changed, and so did America. For the teams and fans who celebrate Jackie Robinson Day each April 15, the lesson is not just about a number—it’s about the courage it took to wear it. For the league, the permanent retirement of 42 was a decision that certified Robinson’s singular place in sports history. For anyone reading, the choice is clear: to remember that integration was not a gradual evolution—it was a deliberate, defiant act by one man who refused to stay silent.