?? 74–Mar 161 ADRomans occupy andsettle Agri Decumates
75 ADRomans begin fortifyingNorth African frontier
75 ADVespasian sends forcesto defend Caucasus states
78–80 ADPacorus II overthrowsVologases II of Parthia
Jun 79–Sep 81 ADTitus rulesRoman Empire
24 Oct 79 ADMt Vesuvius erupts,destroying Pompeiiand Herculaneum