David Peterson del Mar

David Peterson del Mar teaches nontraditional students for Portland State University, Oregon State University, and the University of Oregon. He is the author of five books, including Oregon’s Promise: An Interpretive History, and is a consultant for Teaching American History grants. He co-facilitates dialogues with Uniting to Understand Racism and is a board member of Watoto Wa Dunia, which supports community development in Kenya.

Author's Entries

  • 14th Amendment

    The Fourteenth Amendment to the U.S. Constitution declared that the federal government would guarantee the rights of citizenship to "all persons born or naturalized in the United States." No state could "deprive any person of life, liberty, or property, without due process of law; nor deny to any person within …

    Oregon Encyclopedia

  • 15th Amendment

    Civil War Reconstruction arguably culminated with the Fifteenth Amendment. Ratified in 1870, a year after Congress had passed it, the amendment stated that voting rights "shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude." The …

    Oregon Encyclopedia

  • George Abernethy (1807-1877)

    George Abernethy cut a wide swath through Oregon's religious, economic, and political life from his arrival in 1840 until his death in 1877. Born in New York City in 1807 and married in 1830, Abernethy came to Oregon in 1840 as part of the "Great Reinforcement" to the …

    Oregon Encyclopedia

  • John Ball (1794-1884)

    John Ball spent just one of his eighty-nine years in Oregon but has been widely recognized as the first school teacher in the Oregon Country. He also made some interesting observations about Oregon in his letters and reminiscences. Ball was born to a farming couple in Grafton County, New Hampshire, …

    Oregon Encyclopedia