Valdemar IV Atterdag (the epithet meaning "Return of the Day"), or Waldemar (1320 – 24 October 1375 was King of Denmark from 1340 to 1375. He is mostly known for his reunion of Denmark after the bankruptcy and mortgaging of the country to finance wars under previous rulers.
She was forced into a nunnery and Valdemar convinced King Magnus that his son should marry Valdemar's daughter, Margrethe. The king agreed, but the nobles did not and forced Magnus to abdicate. They elected Albrecht of Mecklenburg, one of Valdemar's sworn enemies, as King of Sweden. Albrecht immediately went to work to stop Valdemar in his tracks.
In order to protect himself, on 14 July 1326, Vartislav forged an alliance with the new Danish power behind the throne, Count Gerhard III of Holstein, guardian of the young king, Valdemar III of Denmark, who was a minor. When Vartislav IV died on 1 August 1326, after a short illness, he left three sons who were under age.
King Valdemar and Absalon (ca 1128–1201), the bishop of Roskilde, rebuilt the country. During Valdemar's reign construction began of a castle in the village of Havn, leading eventually to the foundation of Copenhagen , the modern capital of Denmark.
His successor Valdemar IV was not even recognized as King of Denmark until 1340, leading the years 1332-1340 to be known as “the kingless time”. From his ascension to the throne until his death, Valdemar managed to reclaim most of the lost Kingdom through a mixture of economic, diplomatic, and military measures.
The discontent of Queen Ulrika Eleonora was not a small matter for the Riksdag: not only because of the queen's popularity, but also because the queen had abdicated in favour of the king on the condition that she would succeed him if he should die before her, a condition which made the queen the heir to the throne.
Most ancient armies used a tactic that some historians are calling ‘Frightfulness.’ This was basically an attempt to terrorizing a city into surrendering by making examples of cities that had not surrendered.
The next day, 18 June 1155, Adrian IV crowned Frederick I Holy Roman Emperor at St Peter's Basilica, amidst the acclamations of the German army. The Romans began to riot, and Frederick spent his coronation day putting down the revolt, resulting in the deaths of over 1,000 Romans and many more thousands injured.
Abbey after her death in 1167. Matilda was born to Henry I, King of England and Duke of Normandy, and his first wife, Matilda of Scotland, possibly around Danis
He ordered the king to part from Agnes, and when he did not, the pope placed France under an interdict in 1199. This continued until 7 September 1200.  Due to pressure from the pope and from Ingeborg's brother King Valdemar II of Denmark , Philip finally took Isambour back as his wife in 1201, but it would not be until 1213 that she would ...