diff --git a/docs/data/calendar.ics b/docs/data/calendar.ics
index 8546c4ade94cd5e876e08635dd181c8652b3cee1..405f267ba0245566b924fc66f39ee0a9d2f77f78 100644
--- a/docs/data/calendar.ics
+++ b/docs/data/calendar.ics
@@ -20,29 +20,6 @@ END:DAYLIGHT
 END:VTIMEZONE
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E00800000000F052903092A2D901000000000000000
- 0100000001A7A0C0418AA4847911E1E6E76FB448B
-SUMMARY:Nutzung Semiarraum
-DTSTART;TZID=W. Europe Standard Time:20230612T080000
-DTEND;TZID=W. Europe Standard Time:20230612T170000
-CLASS:PUBLIC
-PRIORITY:5
-DTSTAMP:20230912T180317Z
-TRANSP:OPAQUE
-STATUS:CONFIRMED
-SEQUENCE:0
-LOCATION:
-X-MICROSOFT-CDO-APPT-SEQUENCE:0
-X-MICROSOFT-CDO-BUSYSTATUS:BUSY
-X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
-X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
-X-MICROSOFT-CDO-IMPORTANCE:1
-X-MICROSOFT-CDO-INSTTYPE:0
-X-MICROSOFT-DONOTFORWARDMEETING:FALSE
-X-MICROSOFT-DISALLOW-COUNTER:FALSE
-END:VEVENT
-BEGIN:VEVENT
-DESCRIPTION:\n
 UID:040000008200E00074C5B7101A82E00800000000606CA13B92A2D901000000000000000
  010000000CE560C3C86253B4CAAA897BBC61085A2
 SUMMARY:Nutzung 3D-Scanner
@@ -50,7 +27,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
 DTEND;TZID=W. Europe Standard Time:20230613T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -73,7 +50,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
 DTEND;TZID=W. Europe Standard Time:20230613T123000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -96,7 +73,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T100000
 DTEND;TZID=W. Europe Standard Time:20230613T110000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -119,7 +96,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T113000
 DTEND;TZID=W. Europe Standard Time:20230613T123000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -142,7 +119,7 @@ DTSTART;TZID=W. Europe Standard Time:20230613T123000
 DTEND;TZID=W. Europe Standard Time:20230613T153000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -165,7 +142,7 @@ DTSTART;TZID=W. Europe Standard Time:20230614T090000
 DTEND;TZID=W. Europe Standard Time:20230614T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -188,7 +165,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T090000
 DTEND;TZID=W. Europe Standard Time:20230615T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -211,7 +188,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T090000
 DTEND;TZID=W. Europe Standard Time:20230615T180000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -234,7 +211,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T100000
 DTEND;TZID=W. Europe Standard Time:20230615T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -258,7 +235,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T103000
 DTEND;TZID=W. Europe Standard Time:20230615T111500
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -281,7 +258,7 @@ DTSTART;TZID=W. Europe Standard Time:20230615T133000
 DTEND;TZID=W. Europe Standard Time:20230615T153000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -304,7 +281,7 @@ DTSTART;TZID=W. Europe Standard Time:20230617T100000
 DTEND;TZID=W. Europe Standard Time:20230617T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -327,7 +304,7 @@ DTSTART;TZID=W. Europe Standard Time:20230619T110000
 DTEND;TZID=W. Europe Standard Time:20230619T120000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -350,7 +327,7 @@ DTSTART;TZID=W. Europe Standard Time:20230620T100000
 DTEND;TZID=W. Europe Standard Time:20230620T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -373,7 +350,7 @@ DTSTART;TZID=W. Europe Standard Time:20230621T080000
 DTEND;TZID=W. Europe Standard Time:20230621T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -396,7 +373,7 @@ DTSTART;TZID=W. Europe Standard Time:20230621T133000
 DTEND;TZID=W. Europe Standard Time:20230621T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -419,7 +396,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T103000
 DTEND;TZID=W. Europe Standard Time:20230622T113000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -442,7 +419,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T113000
 DTEND;TZID=W. Europe Standard Time:20230622T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -465,7 +442,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T120000
 DTEND;TZID=W. Europe Standard Time:20230622T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -488,7 +465,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T130000
 DTEND;TZID=W. Europe Standard Time:20230622T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -511,7 +488,7 @@ DTSTART;TZID=W. Europe Standard Time:20230622T130000
 DTEND;TZID=W. Europe Standard Time:20230622T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -534,7 +511,7 @@ DTSTART;TZID=W. Europe Standard Time:20230626T160000
 DTEND;TZID=W. Europe Standard Time:20230626T190000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -557,7 +534,7 @@ DTSTART;TZID=W. Europe Standard Time:20230627T100000
 DTEND;TZID=W. Europe Standard Time:20230627T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -580,7 +557,7 @@ DTSTART;TZID=W. Europe Standard Time:20230627T100000
 DTEND;TZID=W. Europe Standard Time:20230627T110000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -603,7 +580,7 @@ DTSTART;TZID=W. Europe Standard Time:20230627T123000
 DTEND;TZID=W. Europe Standard Time:20230627T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -626,7 +603,7 @@ DTSTART;TZID=W. Europe Standard Time:20230628T100000
 DTEND;TZID=W. Europe Standard Time:20230628T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -649,7 +626,7 @@ DTSTART;TZID=W. Europe Standard Time:20230628T110000
 DTEND;TZID=W. Europe Standard Time:20230628T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -672,7 +649,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T110000
 DTEND;TZID=W. Europe Standard Time:20230629T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -695,7 +672,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T113000
 DTEND;TZID=W. Europe Standard Time:20230629T133000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -718,7 +695,7 @@ DTSTART;TZID=W. Europe Standard Time:20230629T133000
 DTEND;TZID=W. Europe Standard Time:20230629T150000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -743,7 +720,7 @@ DTSTART;TZID=W. Europe Standard Time:20230704T103000
 DTEND;TZID=W. Europe Standard Time:20230704T111500
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -766,7 +743,7 @@ DTSTART;TZID=W. Europe Standard Time:20230704T113000
 DTEND;TZID=W. Europe Standard Time:20230704T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -789,7 +766,7 @@ DTSTART;TZID=W. Europe Standard Time:20230705T110000
 DTEND;TZID=W. Europe Standard Time:20230705T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -812,7 +789,7 @@ DTSTART;TZID=W. Europe Standard Time:20230706T120000
 DTEND;TZID=W. Europe Standard Time:20230706T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -835,7 +812,7 @@ DTSTART;TZID=W. Europe Standard Time:20230708T100000
 DTEND;TZID=W. Europe Standard Time:20230708T170000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -859,7 +836,7 @@ DTSTART;TZID=W. Europe Standard Time:20230713T140000
 DTEND;TZID=W. Europe Standard Time:20230713T200000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:3
@@ -883,7 +860,7 @@ DTSTART;TZID=W. Europe Standard Time:20230718T100000
 DTEND;TZID=W. Europe Standard Time:20230718T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:2
@@ -906,7 +883,7 @@ DTSTART;TZID=W. Europe Standard Time:20230808T123000
 DTEND;TZID=W. Europe Standard Time:20230808T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -927,7 +904,7 @@ DTSTART;VALUE=DATE:20230810
 DTEND;VALUE=DATE:20230818
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -950,7 +927,7 @@ DTSTART;TZID=W. Europe Standard Time:20230810T143000
 DTEND;TZID=W. Europe Standard Time:20230810T151500
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -973,7 +950,7 @@ DTSTART;TZID=W. Europe Standard Time:20230815T113000
 DTEND;TZID=W. Europe Standard Time:20230815T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -996,7 +973,7 @@ DTSTART;TZID=W. Europe Standard Time:20230815T130000
 DTEND;TZID=W. Europe Standard Time:20230815T150000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:TRANSPARENT
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1020,7 +997,7 @@ DTSTART;TZID=W. Europe Standard Time:20230829T100000
 DTEND;TZID=W. Europe Standard Time:20230829T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1044,7 +1021,7 @@ DTSTART;TZID=W. Europe Standard Time:20230829T100000
 DTEND;TZID=W. Europe Standard Time:20230829T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1070,7 +1047,7 @@ DTSTART;TZID=W. Europe Standard Time:20230831T100000
 DTEND;TZID=W. Europe Standard Time:20230831T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1094,7 +1071,7 @@ DTSTART;TZID=W. Europe Standard Time:20230905T100000
 DTEND;TZID=W. Europe Standard Time:20230905T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1117,7 +1094,7 @@ DTSTART;TZID=W. Europe Standard Time:20230905T123000
 DTEND;TZID=W. Europe Standard Time:20230905T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1141,7 +1118,7 @@ DTSTART;TZID=W. Europe Standard Time:20230912T100000
 DTEND;TZID=W. Europe Standard Time:20230912T160000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1167,7 +1144,7 @@ DTSTART;TZID=W. Europe Standard Time:20230914T113000
 DTEND;TZID=W. Europe Standard Time:20230914T140000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1193,7 +1170,7 @@ DTSTART;TZID=W. Europe Standard Time:20230914T170000
 DTEND;TZID=W. Europe Standard Time:20230914T193000
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 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:3
@@ -1214,7 +1191,7 @@ DTSTART;TZID=W. Europe Standard Time:20230914T173000
 DTEND;TZID=W. Europe Standard Time:20230914T190000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1238,7 +1215,7 @@ DTSTART;TZID=W. Europe Standard Time:20230919T113000
 DTEND;TZID=W. Europe Standard Time:20230919T123000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1261,7 +1238,7 @@ DTSTART;TZID=W. Europe Standard Time:20230919T123000
 DTEND;TZID=W. Europe Standard Time:20230919T143000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1284,7 +1261,7 @@ DTSTART;TZID=W. Europe Standard Time:20230921T133000
 DTEND;TZID=W. Europe Standard Time:20230921T150000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1307,7 +1284,7 @@ DTSTART;TZID=W. Europe Standard Time:20230926T113000
 DTEND;TZID=W. Europe Standard Time:20230926T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1330,7 +1307,7 @@ DTSTART;TZID=W. Europe Standard Time:20230928T113000
 DTEND;TZID=W. Europe Standard Time:20230928T130000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:0
@@ -1356,7 +1333,7 @@ DTSTART;TZID=W. Europe Standard Time:20231012T170000
 DTEND;TZID=W. Europe Standard Time:20231012T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:1
@@ -1382,7 +1359,7 @@ DTSTART;TZID=W. Europe Standard Time:20231109T170000
 DTEND;TZID=W. Europe Standard Time:20231109T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:2
@@ -1408,7 +1385,7 @@ DTSTART;TZID=W. Europe Standard Time:20231214T170000
 DTEND;TZID=W. Europe Standard Time:20231214T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:4
@@ -1434,7 +1411,7 @@ DTSTART;TZID=W. Europe Standard Time:20240111T170000
 DTEND;TZID=W. Europe Standard Time:20240111T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:5
@@ -1460,7 +1437,7 @@ DTSTART;TZID=W. Europe Standard Time:20240208T170000
 DTEND;TZID=W. Europe Standard Time:20240208T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:6
@@ -1486,7 +1463,7 @@ DTSTART;TZID=W. Europe Standard Time:20240314T170000
 DTEND;TZID=W. Europe Standard Time:20240314T193000
 CLASS:PUBLIC
 PRIORITY:5
-DTSTAMP:20230912T180317Z
+DTSTAMP:20230913T180315Z
 TRANSP:OPAQUE
 STATUS:CONFIRMED
 SEQUENCE:7
diff --git a/public/data/calendar.ics b/public/data/calendar.ics
index 8546c4ade94cd5e876e08635dd181c8652b3cee1..405f267ba0245566b924fc66f39ee0a9d2f77f78 100644
--- a/public/data/calendar.ics
+++ b/public/data/calendar.ics
@@ -20,29 +20,6 @@ END:DAYLIGHT
 END:VTIMEZONE
 BEGIN:VEVENT
 DESCRIPTION:\n
-UID:040000008200E00074C5B7101A82E00800000000F052903092A2D901000000000000000
- 0100000001A7A0C0418AA4847911E1E6E76FB448B
-SUMMARY:Nutzung Semiarraum
-DTSTART;TZID=W. Europe Standard Time:20230612T080000
-DTEND;TZID=W. Europe Standard Time:20230612T170000
-CLASS:PUBLIC
-PRIORITY:5
-DTSTAMP:20230912T180317Z
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