August 4: After an alarm about a violent incident during the night, the police rush to an address in the Frogner district in central Oslo.
August 6: Crown Princess Mette-Marit's son Marius Borg Høiby is arrested, suspected of assaulting a woman he has a relationship with. Mette-Marit cancels her trip to the Olympic Games in Paris.
August 14: Marius Borg Høiby admits in a statement to NRK that he has used violence against his girlfriend and wants to take responsibility for his actions.
He says that he had used alcohol and cocaine at the time and that he has "struggled with addiction for a longer period, something I have received treatment for before".
August 16: A former girlfriend accuses Høiby of violence in a close relationship in a police interrogation. Five days later, another former girlfriend comes forward with similar accusations.
August 23: Høiby is also being investigated for threatening a woman over the phone, whom he is suspected of having been violent against.
September 3: Høiby is issued a restraining order against the woman he is suspected of having assaulted in August.
His name is removed from several pages on the Norwegian royal family's website.
September 13: The police arrest Borg Høiby at a cabin. According to his lawyer Øyvind Bratlien, Borg Høiby is accused of contacting his former girlfriend from a hidden phone number, which he denies. He is released the next day, now suspected of crimes against another person.
September 16: Marius Borg Høiby is also suspected of having threatened to murder a man during a phone call with an ex-girlfriend whom he is suspected of having assaulted.
October 8: Høiby is also being investigated for violating the restraining order against his former girlfriend.
October 16: The police announce that Høiby has admitted to several crimes, including violence and vandalism on August 4. However, he denies having used violence against two former girlfriends. Through his lawyer, he instead claims that he himself was subjected to violence by at least one of the female plaintiffs.
October 31: The police announce that Høiby has lost his driver's license.
November 1: Crown Prince Haakon breaks his silence about Marius. He says in a brief statement that the circumstances are "demanding".
November 18: Høiby is arrested shortly after 11 pm, suspected of rape and further crimes against a former girlfriend. In connection with the arrest, the police conduct a search of his home on the Crown Prince's estate Skaugum outside Oslo.
November 19: Several interrogations are held with Høiby. Crown Prince Haakon says to NRK that "there are serious allegations against Marius. Today, our thoughts naturally go to all those affected".
November 20: The police request that Høiby be detained for two weeks. He is now suspected of another rape.