Decades: 1190s 1200s 1210s 1220s 1230s - 1240s - 1250s 1260s 1270s 1280s 1290s
Years: 1243 1244 1245 1246 1247 - 1248 - 1249 1250 1251 1252 1253
Births
Deaths
... Canadian Charter contains a provision, called the notwithstanding clause, by which some guarantees can be overridden through a legislative enactment limited to five years, ...