Question: In which U.S. state is the city which was served by the Floridian train, affectionately known as "The River City"?

<P0-S0>  The city, affectionately known as "The River City", is located in Northern Alabama on the banks of Wheeler Lake, along the Tennessee River. <P0-S1>  It is the largest city and county seat of Morgan County. <P0-S2> Decatur is a city in Morgan and Limestone counties in the State of Alabama. <P0-S3>  The population in 2010 census was 55,683. <SEP> <P1-S0> Maryland Day is a legal holiday in the U.S. state of Maryland. <P1-S1>  It is observed on the anniversary of the March 25, 1634, landing of the first European settlers in the Province of Maryland, the third English colony to be settled in British North America. <P1-S2>  On this day settlers from ""The Ark"" and the smaller ""The Dove"" first stepped foot onto Maryland soil, at St. Clement's Island in the Potomac River. <P1-S3>  The settlers were about 150 in number, departed from Gravesend on the Thames River downstream from London. <P1-S4>  Three Jesuit priests were collected from Cowes on the Isle of Wight in England where they avoided having to give the oath of allegiance and supremacy to the King. <P1-S5>  The colony's grant was renewed to Cecil Calvert, 2nd Baron Baltimore, (1605-1675), two years prior by Charles I of England, after first being given to his father Sir George Calvert, 1st Baron Baltimore, (1574-1632), along with the title of "Lord Baltimore", and a first grant in Acadia, in Newfoundland, (modern Canada), (title named after lands and town Baltimore, in Ireland) who had served the King in many official and personal capacities as Secretary of State, 1619-1625 (despite his conversion to Roman Catholicism). <P1-S6>  In thanksgiving for the safe landing, Jesuit Father Andrew White celebrated the Mass for the colonists led by the younger brother of Lord Baltimore, Leonard Calvert, (1606-1647), who served as the first governor, and perhaps for the first time ever in this part of the world on the first landing at Blackistone Island, later known as St. Clement's Island off the northern shore of the Potomac River, which was the new border between the new colony and the earlier English settlements in Virginia) and erected a large cross. <P1-S7>  The landing coincided with the Feast of the Annunciation, a holy day honoring Mary, and the start of the new year in England's legal calendar (prior to 1752). <P1-S8>  Maryland Day on 25 March celebrates the 1634 landing at St Clements. <P1-S9>  Later the colonists and their two ships sailed further back down river to the southeast to settle a capital at St. Mary's City near the point where the Potomac flows into the Chesapeake Bay. <SEP> <P2-S0> Earle "Jock" Freedman is a retired bridge engineer and the State of Maryland's "longest-serving" employee. <P2-S1>  Freedman, affectionately known as "Jock", began his career at age 20 in 1950 following graduation from Johns Hopkins University. <P2-S2>  For over 65 years, Freedman designed and maintained over 2,500 bridges for the Maryland State Highway Administration. <P2-S3>  Freedman is generally recognized as one of the "foremost bridge engineers" in the country. <P2-S4>  Freedman oversaw the design and construction of the Naval Academy Bridge that crosses the Severn River in Annapolis, Maryland. <P2-S5>  The first competition of its kind, Freedman created a design contest in which a collection of engineers would consider and evaluate various design submissions without knowledge of who designed the plans. <P2-S6>  Freedman toured the site with Governor William Donald Schaefer who shared Freedman's belief of bridges that incorporated scenic and aesthetic features. <P2-S7>  In 2004, the state of Maryland honored Freedman by "putting his name on a new bridge carrying Reisterstown Road over the Beltway." <P2-S8>  Freedman received the 2016 AASHTO Alfred E. Johnson Achievement Award for his "outstanding contribution in engineering." <SEP> <P3-S0>  Its route mainly followed that of several former Louisville & Nashville Railroad (L&N) passenger trains, including the "Humming Bird" (Cincinnati—Louisville—New Orleans). <P3-S1> The Floridian was a train operated by Amtrak from 1971 to 1979 that ran from Chicago to Miami and St. Petersburg, Florida. <P3-S2>  Originating in Chicago, the train served Lafayette and Bloomington, Indiana; Louisville and Bowling Green, Kentucky; Nashville, Tennessee; Decatur, Birmingham, Montgomery and Dothan, Alabama; and Thomasville, Valdosta and Waycross, Georgia. <P3-S3>  At Jacksonville, Florida, the train split to serve the separate routes of St. Petersburg, Florida (via Orlando) and Miami (via Winter Haven). <P3-S4>  These two legs crossed each other near Lakeland, Florida.