Complex sentence: OSV Hannover is a German football club based in the Oststadt district of Hanover, Lower Saxony, founded in 1923 as "Freie Sportvereinigung Hannover Ost".
Split into simpler sentences: OSV Hannover is a German football club based in the Oststadt district of Hanover, Lower Saxony. The club was founded in 1923 as "Freie Sportvereinigung Hannover Ost".