September 1, 1941: Every Ted Williams hit is a home run in opener

Luis Arraez goes 5 for 5 and lifts average to .400 as the Marlins rout the Blue Jays 11-0 - The San Diego Union-Tribune

From the Mag: The Complete Player, by Cary Osborne

Jackie Robinson - Wikipedia

September 1, 1941: Every Ted Williams hit is a home run in opener versus Senators – Society for American Baseball Research

Ted Williams plays in 1941 to hit .406

Baseball Sisco Kid Style: Ted Williams Finishes With a .406 Batting Average September 28, 1941

Joltin' Joe, the Kid and the Greatest Pursuit of Baseball Immortality