Centuries: 2nd century - 3rd century - 4th century
Decades: 220s 230s 240s 250s 260s - 270s - 280s 290s 310s 320s 330s
Years: 273 274 275 276 277 - 278 - 279 280 281 282 283
Births
Deaths
... parliament, the bicameral National Congress or Congresso Nacional, consists of the Federal Senate or Senado Federal of 81 seats, of which three members from each ...