New York City Subway Begins Operation – The IRT (Interborough Rapid Transit) launched the city’s first underground subway line, a milestone in urban transportation.
1974
Hank Aaron Surpasses Babe Ruth – In Major League Baseball, Aaron hit his 715th home run, breaking Ruth’s longstanding record.
1864
Virginia Condemns First Female Prisoner – Amid the American Civil War, Mary Surratt was sentenced in connection with Abraham Lincoln’s assassination (execution took place on July 7, 1865; key related events occurred around April).
1992
IBM Introduces OS/2 Warp – IBM released the OS/2 Warp operating system, marking a notable development in computer software.
1945
Allies Free Bologna, Italy – As part of the Italian Campaign in World War II, Bologna was liberated by Allied forces.




