1785 - current (separate databases). Note: this does NOT include the Sunday Times. The WSU Libraries has the Times on microfilm from 1785-2008 at AN411.42 .D35x.
The Sunday Times is available in microfilm from 1976-2008 at AN411.42 .S86x.
This complete online fully searchable facsimile edition of the Financial Times Historical Archive, 1888-2016, provides the London edition of this international newspaper, covering business, global financial and economic issues as well as topics such as industry, energy, and international politics.
A database of over 800 fulltext newspapers and newswires, including the Christian Science Monitor and the Los Angeles Times and regional and international papers. To search a particular newspaper, click on the Publications link in the upper left screen, or limit to Source in the drop-down menu.
This page links to the search page, allowing fulltext searching of digitized (and no longer under copyright) issues of historic newspapers from all over the country (including the Pullman Herald) covering 1836-1922. There is also a newspaper directory (1690-current). Links on the left side of the page provide additional information. Here's a nice blog post about it (from a geneaologist), with a few search tips.
This is a collection of microfilmed underground press newspapers from the 1960s-1970s. A guide to this set (with newspaper title and reel number) is available online here via the University of Oregon. Specific titles can be found here.
"More than 50 titles spanning the years 1805–1922 across 11 countries of Latin America and the Caribbean... The material features early issues of notable titles such as La Prensa (Buenos Aires, Argentina), Jornal do Commercio (Rio de Janeiro, Brazil), Mercurio (Santiago, Chile), Siglo Diez y Nueve (Mexico City, Mexico), and Star & Herald (Panama City). The content, available as image-only files browseable by date and issue, are openly accessible "
"Together with the introduction of rural mail delivery, the telephone, and the automobile, farm newspapers played a key role in the modernization of rural America. The Farm, Field and Fireside collection contains historically significant U.S. farm weeklies published in the late nineteenth and early twentieth centuries. These titles document a time of transition in American agriculture, politics, family life, and technology"
Pacific Northwest Digitized Historical Newspapers
See also: The Library of Congress's Chronicling America Project (box to the left)
"The [Washington] State Library offers a variety of newspapers online from Washington’s territorial period (1853-1889) with a searchable index." From the Washington State Library - digitized from microfilm, so the quality is not amazing, but great content!
See also the Library of Congress's Chronicling American Project.