Urho Kekkonen : notes : 3 whole terms serving (the 3rd exceptionally 10 years) * resigned during the 4th term due to poor health | Urho Kekkonen : rank_by_length_of_term(s) : 1
Urho Kekkonen have 1st place in length of president for 3 whole terms serving (the 3rd exceptionally 10 years) * resigned during the 4th term due to poor health.