From A Wiki of Ice and Fire
Year 280 After the Conquest (280 AC) is a year in the Westerosi calendar, the 280th after Aegon's crowning in Oldtown that maesters and educated people use as a reference to date the years.
By 280 AC, King Aerys II Targaryen's madness had increased to the extend that he had taken to burning traitors, murderers, and plotters, rather than hanging or beheading them.
- Prince Rhaegar Targaryen marries Princess Elia Martell of Dorne at the Great Sept of Baelor in King's Landing.
- Following their wedding, Prince Rhaegar and Princes Elia move to Dragonstone.
- Brienne of Tarth, daughter of Selwyn Tarth. 
- Princess Rhaenys Targaryen, daughter of Prince Rhaegar Targaryen and Princess Elia Martell.
- Ygritte, a spearwife.
- ↑ 1.0 1.1 1.2 1.3 The World of Ice & Fire, The Targaryen Kings: Aerys II.
- ↑ See the calculation for: Brienne of Tarth
- ↑ George R. R. Martin's A World of Ice and Fire, Rhaenys Targaryen.
- ↑ See the calculation for: Ygritte