Remove the spaces from the following sentence: The 400-year-old Renaissance castle was built by Christian IV whose colourful personality left a strong mark on Danish history. Christian IV loved being in residence at Rosenborg and it quickly became his favourite castle and venue for many important events.
The400-year-oldRenaissancecastlewasbuiltbyChristianIVwhosecolourfulpersonalityleftastrongmarkonDanishhistory.ChristianIVlovedbeinginresidenceatRosenborganditquicklybecamehisfavouritecastleandvenueformanyimportantevents.