1097 CE: King Stephen of England is born in Blois, France.

1102 CE: Matilda (aka Empress Matilda), daughter of Henry I of England, is born. With no male heir, the king nominates her as his successor.

1125 CE: Future King Stephen of England marries Matilda of Boulogne.

1135 CE - 1154 CE: Reign of King Stephen of England (aka Stephen of Blois) with a brief interruption in 1141 CE.

1135 CE: Henry I of England dies of natural causes at Saint Denis-le-Fermont in Rouen, Normandy.

1135 CE: Stephen of Blois is crowned king of England in Westminster Abbey.

1136 CE: David I of Scotland invades northern England.

1137 CE: King Stephen of England invades Normandy but is forced to withdraw due to lack of baronial support.

1138 CE: David I of Scotland invades northern England for a second time.

1138 CE: An uprising by followers of Robert Fitzroy, Earl of Gloucester, is quashed by King Stephen of England.

1138 CE: King Stephen of England wins a decisive victory against David I of Scotland near Northallerton in Yorkshire at the battle of the Standard.

1139 CE: King Stephen of England arrests Roger, Bishop of Salisbury on suspicious of treason.

1141 CE: King Stephen of England loses the battle of Lincoln to the Earl of Chester.

1141 CE: Robert Fitzroy, Earl of Gloucester, arrests and imprisons King Stephen of England.

1141 CE: Empress Matilda is elected queen of England at Winchester.

1141 CE: Empress Matilda, then queen, is obliged to release King Stephen of England in exchange for Robert Fitzroy, the Earl of Gloucester’s freedom.

1141 CE: King Stephen of England receives a second coronation, this time in Canterbury Cathedral.

1142 CE: Empress Matilda is besieged at Oxford, only to escape in a snowstorm by wearing a white cloak.

1146 CE: The Welsh brothers Cadell ap Gruffydd and Maredudd win victories against armies of King Stephen of England.

1147 CE: Death of Robert Fitzroy, Earl of Gloucester, one of the main rivals to King Stephen of England.

1147 CE: Henry of Anjou (future Henry II of England) invades England but runs out of money and is forced to withdraw.

1149 CE: Henry of Anjou (future Henry II of England) attacks the north of England with the assistance of David I of Scotland but is defeated by King Stephen of England.

1153 CE: Henry of Anjou (future Henry II of England) invades England.

1153 CE: King Stephen of England signs with Henry of Anjou (future Henry II of England) the Treaty of Wallingford which recognises Henry as Stephen's heir.

1154 CE: King Stephen of England dies at Dover.

1154 CE: Henry of Anjou is crowned king of England at Westminster Abbey to become Henry II of England.