Yahoo Search Búsqueda en la Web

Resultado de búsqueda

  1. 7 de may. de 2024 · Mexico-United States [1846–1848] Also known as: Guerra de 1847, Guerra de Estados Unidos a Mexico, Mexican War. Written and fact-checked by. The Editors of Encyclopaedia Britannica.

  2. 9 de may. de 2024 · A map of the United States in 1830 showing the states and territories, the joint–occupation with Britain in Oregon Country, and the British and Spanish possessions at the time. The map shows the westward expansion of the United States, with the frontier line (heavy dashed line).

    • Margie McCandless
    • 2019
  3. Hace 5 días · The Atlas describes and maps every change in the boundaries of all United States counties from the early 1600s to 2000. You can use interactive maps or download the shapefiles.

    • Maria A. Jankowska
    • 2009
  4. 13 de may. de 2024 · 1848 Map of the United States that accompanied President James K. Polk’s annual message to Congress (Compromise of 1850), c. 1848, Records of the U.S. House of Representatives, National Archives.

  5. 8 de may. de 2024 · American frontier, in United States history, the advancing border that marked those lands that had been settled by Europeans. It is characterized by the westward movement of European settlers from their original settlements on the Atlantic coast in the early 17th century to the Far West in the late 19th century.

    • The Editors of Encyclopaedia Britannica
    • 1840 usa map1
    • 1840 usa map2
    • 1840 usa map3
    • 1840 usa map4
  6. 15 de may. de 2024 · Industrial Era Maps. Maps Showing the Progressive Development of U.S. Railroads - 1830 to 1890. During the decade 1830-1840 the total length of completed railroad lines increased from 23 to 2808 miles. During the next decade over 6200 miles were added bringing the total to 9021 miles in 1950. U.S. Railroad Map 1860.

  7. Hace 2 días · February 14 – James Knox Polk becomes the first sitting president of the United States to have his photograph taken, in New York City.