Complex sentence: Melchior Josef Martin Knüsel (November 16,1813-January 15,1889) was a Swiss politician who was president of Switzerland twice, in 1861 and 1866.
Split into simpler sentences: Melchior Josef Martin Knüsel (November 16,1813-January 15,1889) was a Swiss politician. He was president of Switzerland twice, in 1861 and 1866.