1830 - 1859

1860	First U.S. census in Florida, population 34,730; Population is south Florida 517
1835-1842	Second Seminole War
1838	The 1856 map close-up shows the location of the two Battles of oxahatchee in January1838. © Copyright HSPBC Two Battles of Loxahatchee occur in January in present day Riverbend Park in Jupiter. Fort Jupiter is established on Pennock Point following the battles. The modern color map of the 1856 Seminole War map. © Copyright HSPBC Major William Lauderdale constructs a trail to the New River and establishes Fort Lauderdale. This trail becomes the basis for the current Military Trail.
1840	Population in Florida 54,477 (white 27,961; non-white 26,516)
1841	Seminole Chief Chachi first resident known by name in county. His village was located near what is now Palm Beach Lakes Boulevard and I-95 in West Palm Beach. Soldiers camp on freshwater lake and name it Lake Worth in honor of Colonel William Jenkins Worth, who ends Second Seminole War.
1850	Population of Florida 87,445 (white 47,203; non-white 40,242)
1878	Seminole Chief Billy Bowlegs led the Seminoles during the 3rd Seminole War 1855-1858. Courtesy Florida State Archives Third Seminole War