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HISTORYX Digital History Encyclopedia
ID EN Stage 10 - English edition

Chronology

A timeline of history.

Events run from the earliest year, including years before the Common Era, then are grouped by century. Only published articles that carry a year are shown.

Jump to 30th century BC 1 26th century BC 2 18th century BC 1 14th century BC 1 3rd century BC 1 2nd century BC 1 1st century 1 4th century 1 8th century 1 10th century 2 14th century 1 15th century 1 16th century 4 17th century 1 18th century 1 19th century 8 20th century 41 21st century 2

Events

Showing 1–9 of 9tal dated events

Active filters Country: United States 20th century Clear all

20th century

9 events
  1. 17 December 1903

    Wright Brothers 1903: First Powered Flight

    Science, Medicine & Technology United States

    On December 17, 1903, Orville Wright flew for 12 seconds at Kitty Hawk. This flight marked the beginning of the era of controlled powered flight.

  2. 1920–1931

    Al Capone and the Prohibition Era: A Criminal Empire in Chicago

    Crime & Illegal History United States

    Prohibition did not eliminate alcohol but created a lucrative black market. Al Capone turned this into a legendary criminal empire.

  3. 2 July 1937

    Disappearance of Amelia Earhart in 1937: Pacific Mystery

    Mysteries & Unsolved United States

    Amelia Earhart vanished on July 2, 1937, while flying to Howland Island. Despite extensive searches, her plane wreckage and remains were never definitively found.

  4. 1947–1952

    Marshall Plan: US Aid that Rebuilt Western Europe

    Modern History United States

    The Marshall Plan, worth around $13 billion, helped Western Europe recover after World War II. It also served as a political tool in the early Cold War.

  5. 1953–1973

    Project MKUltra: When the CIA Studied Mind Control

    Secret History United States

    For two decades, the CIA ran a secret program to control the human mind, including administering LSD without consent. Files that were supposed to be destroyed revealed everything.

  6. 1962

    Operation Northwoods: The Secret Plan Rejected by Kennedy

    Secret History United States

    In 1962, the U.S. Joint Chiefs of Staff proposed false flag attacks to justify an invasion of Cuba. The plan was never executed, but the documents were revealed decades later.

  7. 22 November 1963

    Assassination of John F. Kennedy: One Shot, Many Versions

    Controversial History United States

    On November 22, 1963, the US President was shot in Dallas. Over six decades later, documents and theories still debate who was responsible.

  8. 16–24 July 1969

    Apollo 11: First Steps on the Moon

    Science, Medicine & Technology United States

    In July 1969, two astronauts walked on the lunar surface while one orbited above. The mission became one of the greatest technological achievements of the 20th century.

  9. July–August 1974

    Project Azorian: CIA's Secret Operation to Raise a Soviet Submarine

    Secret History United States

    In 1974, the CIA built a giant ship disguised as a manganese mining vessel to raise a sunken Soviet submarine from the Pacific Ocean. The operation became one of the most…