At the Battle of Olustee, Florida, near Jacksonville, Union forces under GEneral Seymour were badly defeated by Confederate troops under General Joseph Finegan. The Union lost some 2000 killed or wounded. The effort to set up a loyal state government was severely hampered in what was the largest land engagement in Florida.
Carruth, Gorton. "The Encyclopedia of American Facts and Dates". 10th Ed. New York: Harper Collins Publishers. ©1997.