February 23rd (1927) was a Wednesday. It's the 51st day of the year (52nd in leap years) in the Gregorian calendar. There are 314 days left to the end of the year.
Historical Events for 23rd February, 1927
» U.S. President Calvin Coolidge signs a bill by United States Congress known as Congress establishing the Federal Radio Commission (later replaced by the Federal Communications Commission) which was to regulate the use of radio frequencies in the United St
» Germans known as German theoretical physics named theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.