The following table highlights important dates in Edward II's life (and its aftermath). It's by no means
exhaustive, but I hope you find it of use.
1284 April 24 Edward of Caernarfon, youngest son of Edward I and Eleanor of Castile, born in Caernarfon Castle in Wales August 19 Edward's elder brother, Alfonso, dies 1289 November 28 Eleanor of Castile, Edward's mother, dies 1300 Piers Gaveston appears in Prince Edward's household records 1305 June 14 Edward I and Prince Edward estranged October 13 Edward I and Prince Edward reconciled 1307 February 26 Edward I orders Piers Gaveston to leave England by April July 7 Edward I dies August 6 Edward II creates Piers Gaveston, now back in England, Earl of Cornwall 1308 January 25 Edward II marries Isabella of France in Boulogne February 25 Edward II and Isabella crowned at Westminster June 28 Gaveston leaves England under pressure from barons, Edward II having appointed him lieutenant in Ireland 1309 June 27 Gaveston returns from exile 1311 November 4 Gaveston again leaves England as an exile 1312 January Gaveston back in England; at York with Edward II June 19 Gaveston, having been seized by barons, executed at Blacklow Hill November 13 Future Edward III born to Edward II and Isabella at Windsor 1314 June 24 English defeated by Scottish army at Battle of Bannockburn 1318 October (or earlier) Hugh le Despenser the younger made royal chamberlain 1321 August 14 Edward II agrees to exile Hugh le Despenser the younger and his father, Hugh the elder; Hugh the younger takes to piracy 1322 March 16 Edward II's political enemies defeated at Battle of Boroughbridge March 22 Thomas, Earl of Lancaster executed at Pontefract 1323 August 1 Roger Mortimer, political enemy of Edward II, escapes from Tower of London 1325 March 9 Queen Isabella arrives in France to enter into negotiations with the
September 12 Prince Edward sent to France to do homage for England's continental lands December 1 Edward II orders Isabella to return from France; Isabella ignores demand 1326 September 24 Queen Isabella and Roger Mortimer, having begun an affair and raised an army, enter England with troops and meet with minimal resistance October 2 Edward II and the Despensers flee London toward Wales October 15 Bishop Stapeldon and others lynched by mob in London; the bishop's head is sent to Isabella as a trophy October 26 Edward II and the younger Despenser, having fled to Wales, arrive at Caerphilly Castle October 27 Hugh le Despenser the elder, Earl of Winchester, beheaded by Isabella and Mortimer in Bristol; Edward II and the younger Despenser November 16 Edward II and Hugh the younger captured near Llantrissant; Edward II taken to Kenilworth Castle November 17 Earl of Arundel, loyal to Edward II, beheaded without trial at Hereford November 24 Hugh the younger hanged, drawn, quartered, and beheaded at Hereford 1327 January Edward II agrees to resign his crown to his son February 1 Coronation of Edward III; Isabella grants herself a dower of over
April Edward II transferred to Berkeley Castle September 21 Edward II murdered at Berkeley Castle December 20 Edward II buried in Gloucester Abbey (later became Gloucester Cathedral) 1328 January 24 or 30 Edward III marries Philippa of Hainault 1330 February 18 Queen Philippa's coronation March 19 Having come to believe Edward II was still alive and plotted to free him, Edward, Earl of Kent, Edward II's half-brother, is beheaded on orders of Isabella and Mortimer June 15 Edward, Prince of Wales, born to Edward III and Philippa October 19 William de Montacute, friend of Edward III, leads a coup against Mortimer, who is seized at Nottingham Castle and taken prisoner, eventually being sent to the Tower of London to await trial November 29 Mortimer hung at Tyburn 1358 August 22 Isabella dies following an illness