Abraham Lincoln served as the 16th President of the United States from March 1861 until his assassination in April 1865. As an outspoken opponent of the expansion of slavery in the United States, Lincoln won the Republican Party nomination in 1860 and was elected president later that year. - [*Wikipedia*][1] The Library of Congress has shared [lots of photographs of Abraham Lincoln][2] in the Flickr Commons. [1]: http://en.wikipedia.org/wiki/Abraham_Lincoln [2]: http://www.flickr.com/photos/library_of_congress/tags/abrahamlincoln/