Rio de Janeiro ("Odo January", ; ) je oluilu Ipinle Rio de Janeiro, ilu to tobijulo keji ni ile Brasil ati agbegbe ilu to tobijulo keta ni Guusu Amerika.. 
This development was ìpamọ́racated by the disastrous Paraguàyàn War (1864-1870) in which the country lost 60% to 70% of its population and large amounts of territory.. 