Produces the Astronomical Almanac, the Nautical Almanac, Astronomical Phenomena, the Star Almanac and the UK Air Almanac... 

http://www.nao.rl.ac.uk/

Provides daily briefs of historical events, previews of currently developing stories, and links to related sites... 

http://www.cnn.com/almanac/daily/

Since its debut in 1868, The World Almanac and Book of Facts has become the best-selling American reference book of all time, with more than 80 million copies sold. It is the source for essential and authoritative facts for entertainment, reference and learning... 

http://www.worldalmanac.com/

United States government profiles of countries and non-self-governing territories around the world. Information on geography, people, government, transportation, economy, communications, military, and transnational issues... 

https://www.cia.gov/library/publications/the-world-factbook/

Brief biographies and notable events associated with writers and particular days; aired and published weekly by Garrison Keillor and Minnesota Public Radio... 

http://writersalmanac.publicradio.org/

Almanac News is the online version of the print edition of the Almanac... 

http://www.almanacnews.com/

The home page for the American Memory Historical Collections from the Library of Congress. American Memory provides free access to historical images, maps, sound recordings, and motion pictures that document the American experience. American Memory offers primary source materials that chronicle historical events, people, places, and ideas that continue to shape America... 

http://memory.loc.gov/ammem/

The University of Pennsylvania's Almanac is a journal of record and opinion that is edited for faculty and staff... 

http://www.upenn.edu/almanac/

Information on people, jobs, careers, colleges, real estate, crime, mortgages, and more for thousands of US cities and towns... 

http://www.citytowninfo.com/