Today in History
1954 The first mass inoculation against polio is conducted
Virologist Jonas Salk’s vaccine is still one of the two versions used today, along with Hilary Koprowski’s live polio vaccine.
1947 The International Organization for Standardization (ISO) begins operating
The ISO issues standards for everything from bicycle tires to date formats.
1941 Glenn T. Seaborg and his team chemically identify Plutonium
The radioactive element plays an important role as nuclear fuel or in nuclear weapons.
1917 The February Revolution begins in Russia
The demonstrations and armed clashes ultimately resulted in the demise of the Russian Empire.
1455 The Gutenberg Bible is published
Johannes Gutenberg’s Bible edition was the first book ever printed in movable type, heralding the age of the printed book in the West.
