On This Day

What Happened on July 23, 1872

Historical Events


InventionHistoric Invention

African American inventor Elijah McCoy is granted a patent for lubricators for steam-engines

Inventor Elijah McCoy
Inventor
Elijah McCoy

1872 Highlights

About July 23, 1872

Day of the Week: Tuesday
How Long Ago? 148 years and 6 months
Leap Year: Yes

Star Sign: Leo