Chances are, I shan't have time or motivation to make this particularly full, so please bear with the general lack of tidiness etc.
... - 4th century Decades: 190s 200s 210s 220s 230s - 240s - 250s 260s 270s 280s 290s Years: 237 238 239 240 241 - 242 - 243 244 245 246 247 Events Patriarch ...