Decades: 1160s 1170s 1180s 1190s 1200s - 1210s - 1220s 1230s 1240s 1250s 1260s
Years: 1213 1214 1215 1216 1217 - 1218 - 1219 1220 1221 1222 1223
Births
Deaths
... FAQ maintained by Professor Ross J Anderson on his Web site at www.cl.cam.ac.uk/~rja14/tcpa-faq.html/ for a clear discussion of two prominent proposals. Examples of ...