Culture and commerce
- In Niagara Falls, New York, the Team Drivers International Union (TDIU) and the Teamsters National Union merge into the
- Meanwhile, the Women's Trade Union League of New York (later International Ladies' Garment Workers' Union), is formed.
- Giuseppe Melchiorre Sarto becomes , succeeding Leo XIII. He would be canonized in 1954.
- Kitchen worker unknowingly sparks an epidemic.
- Pediatrician , a medical inspector for the New York Department of Health, promotes hygiene, nutrition and infant care in Hell's Kitchen. When she becomes the city's first female assistant health commissioner in 1907, her all-male staff resigns in protest. Among her many accomplishments, Baker helped track down "Typhoid Mary."
- builds a chocolate factory in rural Pennsylvania.
- Richard Steiff creates a plush toy that will become the best-known "."
- North Carolina pharmacist Caleb Bradham receives a trademark for his fountain drink, .
- Binney & Smith Co. of New York creates . A box of eight costs a nickel.