Complex sentence: Ramsey was elected the second Governor of Minnesota after statehood and served from January 2,1860 to July 10,1863, but resigned the governorship to become a U.S. Senator, having been elected to that post in 1863 as a Republican.
Split into simpler sentences: Ramsey was elected the second Governor of Minnesota after statehood and served from January 2,1860 to July 10,1863. He resigned the governorship to become a U.S. Senator, having been elected to that post in 1863 as a Republican.