Nearly 90 years after General James Edward Oglethorpe founded Savannah and established Georgia as the last of the 13 original colonies, the Georgia General Assembly would act on December 9, 1822, to create and charter the county of DeKalb, out of parts of Fayette, Gwinnett, and Henry Counties. So as of this month, DeKalb County, Georgia is celebrating its Bicentennial year and the anniversary of…