https://webresources.gu.se/RSS_Services/Calendar_dynamic_RSS?categoryNames=lecture&calendarIds=&fromSiteNodeId=529651&languageId=100000&calendarMonth=2019-05&feedbackForm=true&returnAddress=http%3A%2F%2Fwww.gu.se%2Fomuniversitetet%2Faktuellt%2Fkalendarium%2F%3FsiteNodeId%3D529651%26languageId%3D100000%26startDateTime%3D2019-02-21%26endDateTime%3D2019-02-21&recipientName=Susanne+Ros&encodedEmail=c3VzYW5uZS5yb3NAZ3Uuc2U&encodedSubject=&siteNodeId=529651&startDateTime=2019-02-21&endDateTime=2019-02-21 The top 25 events