Alexander County was organized out of Union County in 1819. It was named for William M. Alexander, a physician who practiced in the town of America (the first county seat).
Alexander became Speaker of the Illinois House of Representatives in 1822. The county seat was moved to Unity in 1833, then to Thebes in 1843, and finally to Cairo in 1860.
"The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy."
Rev. Martin Luther King, Jr.
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John F. Kennedy