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  2. History of PDF - Wikipedia

    en.wikipedia.org/wiki/History_of_PDF

    History of PDF. The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008. Since then, it has been under the control of an International Organization for Standardization (ISO) committee of ...

  3. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  4. Presidential Records Act - Wikipedia

    en.wikipedia.org/wiki/Presidential_Records_Act

    The Presidential Records Act (PRA) of 1978, 44 U.S.C. §§ 2201 – 2209, [3] is an Act of the United States Congress governing the official records of Presidents and Vice Presidents created or received after January 20, 1981, and mandating the preservation of all presidential records. Enacted November 4, 1978, [4] the PRA changed the legal ...

  5. List of presidents of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_Presidents_of_the...

    Since the office was established in 1789, 45 men have served in 46 presidencies. The first president, George Washington, won a unanimous vote of the Electoral College. [4] Grover Cleveland served two non-consecutive terms and is therefore counted as the 22nd and 24th president of the United States, giving rise to the discrepancy between the ...

  6. Woodrow Wilson - Wikipedia

    en.wikipedia.org/wiki/Woodrow_Wilson

    Thomas Woodrow Wilson (December 28, 1856 – February 3, 1924) was the 28th president of the United States, serving from 1913 to 1921. He was the only Democrat to serve as president during the Progressive Era when Republicans dominated the presidency and legislative branches. As president, Wilson changed the nation's economic policies and led ...

  7. United States Electoral College - Wikipedia

    en.wikipedia.org/wiki/United_States_Electoral...

    e. In the United States of America, the Electoral College is the group of presidential electors that is formed every four years during the presidential election for the sole purpose of voting for the president and vice president. The process is described in Article II of the U.S. Constitution. [1] The number of electoral votes a state has ...

  8. Donald J. Trump Presidential Library - Wikipedia

    en.wikipedia.org/wiki/Donald_J._Trump...

    The Donald J. Trump Presidential Library is a website administered by the National Archives and Records Administration (NARA) and launched on January 20, 2021, when Donald Trump, 45th president of the United States, officially left office.

  9. Constitution of the United States - Wikipedia

    en.wikipedia.org/wiki/Constitution_of_the_United...

    The Constitution of the United States is the supreme law of the United States. [ 3 ] It superseded the Articles of Confederation, the nation's first constitution, on March 4, 1789. Originally including seven articles, the Constitution delineates the frame of the federal government.