December 17, 1959

COBOL language finalized

In December 1959, a committee of government and industry experts finalized COBOLCommon Business-Oriented Language — a language designed for business data processing on mainframes. — a business programming language meant to work on any mainframeA large, powerful computer for centralized organizational workloads — dominated enterprise computing before PCs..

What it was for

COBOLCOBOLCommon Business-Oriented Language — a language designed for business data processing on mainframes. was for business records on mainframes — readable English-like syntax for payroll, banking, insurance, and government systems. Example jobs: processing millions of transactions, printing statements, and batch reporting. A large share of global financial back-office code still runs on COBOLCommon Business-Oriented Language — a language designed for business data processing on mainframes..

People

  • Grace Hopperresearcher

Why it's here

COBOLCommon Business-Oriented Language — a language designed for business data processing on mainframes. gave banks, insurers, and government agencies one readable language for payroll, billing, and record-keeping — instead of a different dialect on every computer.

Why it mattered

U.S. defense procurement pushed vendors to support it, proving a shared business language could run across competing hardware.

What it solved

Every computer maker had its own data-processing language; businesses couldn't move software between machines.

Media

  • COBOL
    ImageCOBOL

    James S. Davis, Public domain, via Wikimedia Commons

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