Source Data Reference for:

City = Orlando
Time = 1900

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Orlando	1875		founded		n/a	http://en.wikipedia.org/wiki/List_of_North_American_cities_by_year_of_foundation	n/a
Orlando	1900	2,500			Carl Ritter	Ritter's geographisch-statistisches Lexikon