These American settlers established a permanent foothold in the area and ignored Spanish officials. The British settlers who had remained also resented Spanish rule, leading to a rebellion in 1810 and the establishment for ninety days of <answer>the so-called Free and Independent Republic of West Florida on September 23</answer>. After meetings beginning in June, rebels overcame the Spanish garrison at Baton Rouge (now in Louisiana), and unfurled the flag of the new republic: a single white star on a blue field. This flag would later become known as the "Bonnie Blue Flag".
What did the rebellion lead to 
the so-called Free and Independent Republic of West Florida on September 23