Complex sentence: He was elected a delegate from Wisconsin Territory to the 30th congress to fill the vacancy caused by the resignation of John H. Tweedy, serving in the 30th, 31st, and 32d congresses from January 15,1849, to March 4,1853.
Split into simpler sentences: He was elected a delegate from Wisconsin Territory to the 30th congress to fill the vacancy caused by the resignation of John H. Tweedy. He served in the 30th, 31st, and 32d congresses from January 15,1849, to March 4,1853.