Jackie Robinson broke baseball's color barrier 75 years ago
Facts about Jackie Robinson, The Learning Key
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Jackie Robinson Day 2021: MLB players wear 42 to honor legend
Sox honor groundbreaking legend on Jackie Robinson Day - Chicago Sun-Times
Jackie Robinson 75: Baseball's Re-Integration – Society for American Baseball Research
Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune
Mariners, Angels players honor Jackie Robinson - Lookout Landing
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What Happened the Day Jackie Robinson Made His MLB Debut 75 Years Ago – NBC 5 Dallas-Fort Worth
May 13, 1947: Jackie Robinson makes first appearance in Cincinnati with Dodgers – Society for American Baseball Research