Jacksonville\u27s 1901 Fire Marker, Jacksonville, Fl. This marker about the Great Fire of 1901 is located in Hemming Plaza, now James Weldon Johnson Park in downtown Jacksonville, Florida, USA. The Great Fire of 1901 was one of the worst disasters in Florida history and the largest urban fire in the Southeast. It was similar in scale and destruction to the 1871 Great Chicago Fire. It swept over 146 blocks and destroyed over 2,368 buildings. The text on the marker reads as : On May 3, 1901 at 12:30 p.m., a fire began at the Cleaveland Fibre Factory, ten blocks northwest of this site. Chimney embers ignited sun-dried moss to be used as mattress stuffing. Fueled by wind and dry weather, the fire roared east destroying most structures in its ...