The history of the Florida state flag is marked by several changes in design and symbolism. Here's a chronological overview:

   1. 1868: The first official state seal for Florida was established on August 6, 1868. The design featured a view of the sun's rays over high land, a cocoa tree, a steamboat on water, and an Indian female scattering flowers in the foreground. This seal served as the central element on the state flag.

   2. Before 1900: The state flag mainly consisted of the state seal placed in the center of a white field.

   3. 1900: A significant change occurred in 1900 when two red bars, forming an X shape, were added to the flag. This design change was inspired by the southern cross pattern that appeared on the flag of the Confederate States of America during the American Civil War. The red cross pattern was also noted for its similarity to the flag of the Spanish empire, representing Florida's historical ties to the original European settlers.

   4. 1970: A minor modification took place in 1970 when the description of the seal was amended to replace the "cocoa tree" with a "Sabal palmetto palm" tree.

   5. 2006: The phrase "In God We Trust," originally part of the seal at the bottom, was officially adopted as Florida's state motto. It was later moved to the bottom half of a banner encircling the modern seal.

   6. 1985: The current version of the state seal, the one at the center of Florida's official state flag, was adopted in 1985. This version incorporated corrections of historical errors and adjustments in art style.

The Florida state flag thus reflects a combination of historical influences, from the Confederate States' flag to the Spanish empire's emblem, and has undergone changes over the years to its current design.