Centuries: 2nd century - 3rd century - 4th century
Decades: 210s 220s 230s 240s 250s - 260s - 270s 280s 290s 300s 310s
Years: 256 257 258 259 260 - 261 - 262 263 264 265 266
Births
Deaths
... language with three grammatical genders (masculine, feminine, neuter) and three numbers (singular, plural, dual). It has eight cases: nominative, vocative, accusative, ...