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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. Timeline of United States inventions (before 1890) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    R. H. Donnelley created the first official telephone directory which was referred to as the Yellow Pages in 1886. [254] 1887 Screen door. A screen door can refer to a hinged storm door (cold climates) or hinged screen door (warm climates) covering an exterior door; or a screened sliding door used with sliding glass doors. In any case, the ...

  5. Date and time notation in the United States - Wikipedia

    en.wikipedia.org/wiki/Date_and_time_notation_in...

    In traditional American usage, dates are written in the month–day–year order (e.g. September 7, 2024) with a comma before and after the year if it is not at the end of a sentence [2] and time in 12-hour notation (8:12 pm). International date and time formats typically follow the ISO 8601 format (2024-09-07) for all-numeric dates, [3] write ...

  6. Public domain in the United States - Wikipedia

    en.wikipedia.org/wiki/Public_domain_in_the...

    In the same manner, works published in 1929 will enter the public domain as of January 1, 2025, and this cycle will repeat until works published in 1977 enter the public domain on January 1, 2073. Works of corporate authorship will continue to adhere to the ninety-five year term following the 2073 date.

  7. Adobe Acrobat version history - Wikipedia

    en.wikipedia.org/wiki/Adobe_Acrobat_version_history

    September 1994. First version for Windows 3.1. Windows, Mac, SunOS, Solaris, HP-UX, IRIX, AIX, OS/2. Acrobat Catalog, which creates searchable indexes for PDF files. Adobe also released the first Acrobat Plug-ins SDK; allowing third-party developers to create plug-in programs for the Acrobat Exchange application. 3.0.

  8. Adobe Acrobat - Wikipedia

    en.wikipedia.org/wiki/Adobe_Acrobat

    Acrobat Messenger is a document utility for Acrobat users that was released by Adobe Systems in 2000 to convert paper documents into PDF files that can be e-mailed, faxed, or shared online. Acrobat Reader Touch is a free PDF document viewer developed and released on December 11, 2012, by Adobe Systems for the Windows Touch user interface.

  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.