Fire 4429478 1920

Amazon Rainforest Human Impact, 20th Century

  • Period: to

    Amazon Rainforest Human Impact, 20th Century

    It is all about the money...
    https://www.timetoast.com/timelines/2592045/
  • Madeira-Mamoré Railroad built

    Madeira-Mamoré Railroad built

  • Henry Ford invests in rubber plantations

    Henry Ford invests in rubber plantations

  • Arana Rubber Company denounced for treatment of Indians

  • Theodore Roosevelt visits River of Doubt

    Theodore Roosevelt visits River of Doubt

    It was later renamed "Rio Roosevelt"
  • Another Rubber Boom

    Another Rubber Boom

    Rubber is an important resource used in many industries; the land is fleeced.
  • Salomón-Lozano Treaty gives Leticia to Colombia

    Salomón-Lozano Treaty gives Leticia to Colombia

    It does not stop the fighting.
  • Perú seizes Leticia

    Perú seizes Leticia

  • Columbia-Peru War

    Dispute over control of the Amazon basin and resources within.
  • League of Nations becomes involved in Colombia-Peru fight

    League of Nations becomes involved in Colombia-Peru fight

    They return Leticia to Colombia.
  • Colombia Reoccupies Leticia

    Leticia is a key landmark point for control of many Amazonian resources.
  • Brazil Enters WW2; Demand for Rubber is High

    Brazil Enters WW2; Demand for Rubber is High

  • Rubber Soldiers Project

    Rubber Soldiers Project

    ~55,000 men went to harvest rubber; ~26,000 died
  • Ore is found in Puerto Ordaz

    Estimated to hold a half a billion tons of high-grade ore.
  • Puerto Ordaz becomes a steel mill

    Puerto Ordaz becomes a steel mill

    Puerto Ordaz was selected as the site for a steel mill and huge hydroelectric plant.
  • Belém-Brasília Highway is created

    Belém-Brasília Highway is created

    This links the Amazon River port city of Belém with the rest of Brazil and is open all year. Many other roads are not.
  • Serra dos Carajás iron ore found

    Serra dos Carajás iron ore found

    They found high quality ore (66% iron) which was estimated at 18 billion tons.
  • Manaus-Porto Velho highway opens.

    Manaus-Porto Velho highway opens.

    The Manaus-Porto Velho highway connects Brazil's Manaus to Porto Velho until it became impassable in 1988.
  • Gold ore found at Serra Palada

    Gold ore found at Serra Palada

    Beginning of Amazonian gold rush.
  • Tucuruí Hydroelectric Dam

    Tucuruí Hydroelectric Dam

    The Tucuruí Hydroelectric Dam provides electricity.
  • Gold extraction rate

    Gold extraction rate

    An estimated 42 tons of gold are extracted.
  • Military presence in Amazonian Brazil

    Military presence in Amazonian Brazil

    Renewed military presence is gathering in the Amazon region of Brazil. This is a result of a radar project and the militarization of the borders against drug trafficking.

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