1936-1960: A Pivotal Decade in Medical, Aviation, and Computing History

In 1936, Dr. Walter Freeman and James W. Watts performed the first prefrontal lobotomy in America at George Washington University Hospital in Washington, D.C.

Twenty-three years later, Igor Sikorsky designed the world's first practical helicopter, the VS-300, which took a short tethered flight in Stratford, Connecticut.

In 1949, India's Constituent Assembly adopted Hindi as an official language, marking it as Hindi Day.

The following year, IBM introduced the RAMAC 305, the first commercial computer with a hard drive featuring magnetic disk storage, which weighed over a ton.

In 1960, Iraq, Iran, Kuwait, Saudi Arabia, and Venezuela formed the Organization of the Petroleum Exporting Countries (OPEC).