https://webresources.gu.se/RSS_Services/Calendar_dynamic_RSS?categoryNames=lecture&calendarIds=1766552188&fromSiteNodeId=528540&tipFriend=true&tipUrl=http%3A%2F%2Fpsy.gu.se%2Faktuellt%2Fkalendarium%2F%3FsiteNodeId%3D528540%26languageId%3D100000%26categoryAttribute%3DeventTypes%26categoryNames%3Dlecture&languageId=100000 The top 25 events