April 12th (1955) was a Tuesday. It's the 101st day of the year (102nd in leap years) in the Gregorian calendar. There are 264 days left to the end of the year.
Historical Events for 12th April, 1955
» The polio vaccine, developed by Dr. Jonas Salk, is declared Jonas Salk Test results announced named safe and effective.
Famous Birthdays on April 12 in 1955
» Fabian Hamilton, English politician
April 12th Holidays in History
» Christian Calendar of Saints e.g Feast Day:
» Alferius
» Angelo Carletti di Chivasso named Blessed Angelo Carletti di Chivasso
» Erkembode
» Adoniram Judson (Episcopal Church (USA))
» Pope Julius I
» Zeno of Verona
» April 12 (Eastern Orthodox liturgics)
» Commemoration of first human in space by Yuri Gagarin: