Complex sentence: The Democratic Party nominated Sibley nonetheless as its candidate in the 26th Congressional District, as did the People's Party, and he won an upset victory in November 1892 to the Fifty-third Congress.
Split into simpler sentences: The Democratic Party nominated Sibley nonetheless as its candidate in the 26th Congressional District, as did the People's Party. Sibley's upset victory in November 1892 won him a place in the Fifty-third Congress.