diff --git a/backend/db/migrations/0039_events_repeat_interval.sql b/backend/db/migrations/0039_events_repeat_interval.sql
new file mode 100644
index 0000000..9a4337d
--- /dev/null
+++ b/backend/db/migrations/0039_events_repeat_interval.sql
@@ -0,0 +1 @@
+ALTER TABLE "events" ADD COLUMN "repeatInterval" text DEFAULT 'Keine Wiederholung' NOT NULL;
diff --git a/backend/db/migrations/meta/_journal.json b/backend/db/migrations/meta/_journal.json
index cb288c3..00763b1 100644
--- a/backend/db/migrations/meta/_journal.json
+++ b/backend/db/migrations/meta/_journal.json
@@ -274,6 +274,13 @@
       "when": 1779158400000,
       "tag": "0038_events_state",
       "breakpoints": true
+    },
+    {
+      "idx": 39,
+      "version": "7",
+      "when": 1779840000000,
+      "tag": "0039_events_repeat_interval",
+      "breakpoints": true
     }
   ]
 }
diff --git a/backend/db/schema/events.ts b/backend/db/schema/events.ts
index 16e8e0a..cc81026 100644
--- a/backend/db/schema/events.ts
+++ b/backend/db/schema/events.ts
@@ -34,6 +34,7 @@ export const events = pgTable(
         quick: boolean("quick").notNull().default(false),
         state: text("state").notNull().default("Final"),
         color: text("color"),
+        repeatInterval: text("repeatInterval").notNull().default("Keine Wiederholung"),
 
         project: bigint("project", { mode: "number" }), // FK follows when projects.ts exists
 
diff --git a/frontend/pages/calendar/[mode].vue b/frontend/pages/calendar/[mode].vue
index ed17d4b..80a4a67 100644
--- a/frontend/pages/calendar/[mode].vue
+++ b/frontend/pages/calendar/[mode].vue
@@ -6,6 +6,7 @@ import timeGridPlugin from "@fullcalendar/timegrid"
 import resourceTimelinePlugin from "@fullcalendar/resource-timeline";
 import interactionPlugin from "@fullcalendar/interaction";
 import dayjs from "dayjs";
+import { expandRecurringEvent } from "~/utils/eventRecurrence"
 
 //TODO BACKEND CHANGE COLOR IN TENANT FOR RENDERING
 
@@ -33,6 +34,124 @@ const selectedEvent = ref({})
 const selectedResources = ref([])
 
 const events = ref([])
+const sourceEvents = ref([])
+const sourceAbsenceRequests = ref([])
+const sourceProjects = ref([])
+const sourceProfiles = ref([])
+const sourceVehicles = ref([])
+const sourceInventoryItems = ref([])
+const sourceInventoryItemGroups = ref([])
+
+const buildEventTitle = (event) => {
+  if (event.name) return event.name
+  if (event.project) {
+    const project = sourceProjects.value.find((item) => item.id === event.project)
+    return project?.name || ""
+  }
+  return ""
+}
+
+const buildEventColor = (event) =>
+  profileStore.ownTenant.calendarConfig.eventTypes.find(type => type.label === event.eventtype)?.color || "black"
+
+const expandEventsForRange = (rangeStart, rangeEnd) => {
+  const gridEvents = sourceEvents.value.flatMap((event) =>
+    expandRecurringEvent(event, rangeStart, rangeEnd, (occurrenceStart, occurrenceEnd, occurrenceIndex) => {
+      const eventColor = buildEventColor(event)
+
+      return {
+        ...event,
+        start: occurrenceStart.toISOString(),
+        end: occurrenceEnd ? occurrenceEnd.toISOString() : null,
+        title: buildEventTitle(event),
+        borderColor: eventColor,
+        textColor: eventColor,
+        backgroundColor: "black",
+        entrytype: "event",
+        eventId: event.id,
+        occurrenceIndex
+      }
+    })
+  )
+
+  const absenceEvents = sourceAbsenceRequests.value.map(absence => ({
+    id: absence.id,
+    resourceId: absence.user,
+    resourceType: "person",
+    title: `${absence.reason} - ${absence.profile.fullName}`,
+    start: dayjs(absence.startDate).toDate(),
+    end: dayjs(absence.endDate).add(1, 'day').toDate(),
+    allDay: true,
+    absencerequestId: absence.id,
+    entrytype: "absencerequest",
+  }))
+
+  calendarOptionsGrid.value.initialEvents = [
+    ...gridEvents,
+    ...absenceEvents
+  ]
+
+  const timelineEvents = sourceEvents.value.flatMap((event) => {
+    const eventColor = buildEventColor(event)
+    const title = buildEventTitle(event)
+
+    return expandRecurringEvent(event, rangeStart, rangeEnd, (occurrenceStart, occurrenceEnd) => {
+      const returnData = {
+        title,
+        borderColor: eventColor,
+        textColor: "white",
+        backgroundColor: eventColor,
+        start: occurrenceStart.toISOString(),
+        end: occurrenceEnd ? occurrenceEnd.toISOString() : null,
+        resourceIds: [],
+        entrytype: "event",
+        eventId: event.id
+      }
+
+      if(event.profiles.length > 0) {
+        event.profiles.forEach(profile => {
+          returnData.resourceIds.push(`P-${profile}`)
+        })
+      }
+
+      if(event.vehicles.length > 0) {
+        event.vehicles.forEach(vehicle => {
+          returnData.resourceIds.push(`F-${vehicle}`)
+        })
+      }
+
+      if(event.inventoryitems.length > 0) {
+        event.inventoryitems.forEach(inventoryitem => {
+          returnData.resourceIds.push(`I-${inventoryitem}`)
+        })
+      }
+
+      if(event.inventoryitemgroups.length > 0) {
+        event.inventoryitemgroups.forEach(inventoryitemgroup => {
+          returnData.resourceIds.push(`G-${inventoryitemgroup}`)
+        })
+      }
+
+      return returnData
+    })
+  })
+
+  sourceAbsenceRequests.value.forEach(absencerequest => {
+    timelineEvents.push({
+      title: `${absencerequest.reason}`,
+      backgroundColor: "red",
+      borderColor: "red",
+      start: absencerequest.startDate,
+      end: absencerequest.endDate,
+      resourceIds: [`P-${absencerequest.profile.id}`],
+      entrytype: "absencerequest",
+      allDay: true,
+      absencerequestId: absencerequest.id
+    })
+  })
+
+  calendarOptionsTimeline.value.initialEvents = timelineEvents
+}
 const calendarOptionsGrid = computed(() => {
   return {
     locale: deLocale,
@@ -62,6 +181,9 @@ const calendarOptionsGrid = computed(() => {
       }
 
     },
+    datesSet: function(info) {
+      expandEventsForRange(info.startStr, info.endStr)
+    }
   }
 })
 
@@ -93,6 +215,9 @@ const calendarOptionsTimeline = ref({
       router.push(`/standardEntity/events/show/${info.event.extendedProps.eventId}`)
     }
   },
+  datesSet: function(info) {
+    expandEventsForRange(info.startStr, info.endStr)
+  },
   resourceGroupField: "type",
   resourceOrder: "-type",
   resources: [],
@@ -127,75 +252,37 @@ const calendarOptionsTimeline = ref({
 
 const loaded = ref(false)
 const setupPage = async () => {
-  let tempData = (await useEntities("events").select()).filter(i => !i.archived)
-  let absencerequests = (await useEntities("absencerequests").select("*, profile(*)")).filter(i => !i.archived)
-  let projects = (await useEntities("projects").select( "*")).filter(i => !i.archived)
-  let inventoryitems = (await useEntities("inventoryitems").select()).filter(i => !i.archived)
-  let inventoryitemgroups = (await useEntities("inventoryitemgroups").select()).filter(i => !i.archived)
-  let profiles = (await useEntities("profiles").select()).filter(i => !i.archived)
-  let vehicles = (await useEntities("vehicles").select()).filter(i => !i.archived)
-
-  calendarOptionsGrid.value.initialEvents = [
-    ...tempData.map(event => {
-      let eventColor = profileStore.ownTenant.calendarConfig.eventTypes.find(type => type.label === event.eventtype).color
-
-      let title = ""
-      if (event.name) {
-        title = event.name
-      } else if (event.project) {
-        title = projects.find(i => i.id === event.project) ? projects.find(i => i.id === event.project).name : ""
-      }
-
-      return {
-        ...event,
-        start: event.startDate,
-        end: event.endDate,
-        title: title,
-        borderColor: eventColor,
-        textColor: eventColor,
-        backgroundColor: "black",
-        entrytype: "event",
-        eventId: event.id
-      }
-    }),
-    ...absencerequests.map(absence => {
-      return {
-        id: absence.id,
-        resourceId: absence.user,
-        resourceType: "person",
-        title: `${absence.reason} - ${absence.profile.fullName}`,
-        start: dayjs(absence.startDate).toDate(),
-        end: dayjs(absence.endDate).add(1, 'day').toDate(),
-        allDay: true,
-        absencerequestId: absence.id,
-        entrytype: "absencerequest",
-      }
-    })
-  ]
+  sourceEvents.value = (await useEntities("events").select()).filter(i => !i.archived)
+  sourceAbsenceRequests.value = (await useEntities("absencerequests").select("*, profile(*)")).filter(i => !i.archived)
+  sourceProjects.value = (await useEntities("projects").select( "*")).filter(i => !i.archived)
+  sourceInventoryItems.value = (await useEntities("inventoryitems").select()).filter(i => !i.archived)
+  sourceInventoryItemGroups.value = (await useEntities("inventoryitemgroups").select()).filter(i => !i.archived)
+  sourceProfiles.value = (await useEntities("profiles").select()).filter(i => !i.archived)
+  sourceVehicles.value = (await useEntities("vehicles").select()).filter(i => !i.archived)
 
   calendarOptionsTimeline.value.resources = [
-    ...profiles.filter(i => i.tenant === profileStore.currentTenant).map(profile => {
+    ...sourceProfiles.value.filter(i => i.tenant === profileStore.currentTenant).map(profile => {
       return {
         type: 'Mitarbeiter',
         title: profile.fullName,
         id: `P-${profile.id}`
       }
     }),
-    ...vehicles.map(vehicle => {
+    ...sourceVehicles.value.map(vehicle => {
       return {
         type: 'Fahrzeug',
         title: vehicle.licensePlate,
         id: `F-${vehicle.id}`
       }
     }),
-    ...inventoryitems.filter(i=> i.usePlanning).map(item => {
+    ...sourceInventoryItems.value.filter(i=> i.usePlanning).map(item => {
       return {
         type: 'Inventar',
         title: item.name,
         id: `I-${item.id}`
       }
     }),
-    ...inventoryitemgroups.filter(i=> i.usePlanning).map(item => {
+    ...sourceInventoryItemGroups.value.filter(i=> i.usePlanning).map(item => {
       return {
         type: 'Inventargruppen',
         title: item.name,
@@ -234,83 +321,7 @@ const setupPage = async () => {
   ]
 */
 
-  let tempEvents = []
-
-  tempData.forEach(event => {
-    console.log(event)
-    let eventColor = profileStore.ownTenant.calendarConfig.eventTypes.find(type => type.label === event.eventtype).color
-
-    let title = ""
-    if (event.name) {
-      title = event.name
-    } else if (event.project) {
-      projects.find(i => i.id === event.project) ? projects.find(i => i.id === event.project).name : ""
-    }
-
-    let returnData = {
-      title: title,
-      borderColor: eventColor,
-      textColor: "white",
-      backgroundColor: eventColor,
-      start: event.startDate,
-      end: event.endDate,
-      resourceIds: [],
-      entrytype: "event",
-      eventId: event.id
-    }
-
-
-    if(event.profiles.length > 0) {
-      event.profiles.forEach(profile => {
-        returnData.resourceIds.push(`P-${profile}`)
-      })
-    }
-
-    if(event.vehicles.length > 0) {
-      event.vehicles.forEach(vehicle => {
-        returnData.resourceIds.push(`F-${vehicle}`)
-      })
-    }
-
-    if(event.inventoryitems.length > 0) {
-      event.inventoryitems.forEach(inventoryitem => {
-        returnData.resourceIds.push(`I-${inventoryitem}`)
-      })
-    }
-
-    if(event.inventoryitemgroups.length > 0) {
-      event.inventoryitemgroups.forEach(inventoryitemgroup => {
-        returnData.resourceIds.push(`G-${inventoryitemgroup}`)
-      })
-    }
-
-    console.log(returnData)
-
-    tempEvents.push(returnData)
-
-  })
-
-  absencerequests.forEach(absencerequest => {
-    let returnData = {
-      title: `${absencerequest.reason}`,
-      backgroundColor: "red",
-      borderColor: "red",
-      start: absencerequest.startDate,
-      end: absencerequest.endDate,
-      resourceIds: [`P-${absencerequest.profile.id}`],
-      entrytype: "absencerequest",
-      allDay: true,
-      absencerequestId: absencerequest.id
-    }
-
-    tempEvents.push(returnData)
-  })
-
-  console.log(tempEvents)
-
-  calendarOptionsTimeline.value.initialEvents = tempEvents
-
-  console.log(calendarOptionsTimeline.value)
+  expandEventsForRange(dayjs().startOf("month").toISOString(), dayjs().endOf("month").toISOString())
 
   loaded.value = true
 
@@ -385,4 +396,4 @@ const convertResourceIds = () => {
 
 <style scoped>
 
-</style>
\ No newline at end of file
+</style>
diff --git a/frontend/pages/organisation/plantafel.vue b/frontend/pages/organisation/plantafel.vue
index 0545db3..9f33883 100644
--- a/frontend/pages/organisation/plantafel.vue
+++ b/frontend/pages/organisation/plantafel.vue
@@ -5,6 +5,7 @@ import interactionPlugin from "@fullcalendar/interaction"
 import resourceTimelinePlugin from "@fullcalendar/resource-timeline"
 import { parseDate } from "@internationalized/date"
 import { useDraggable } from "@vueuse/core"
+import { expandRecurringEvent } from "~/utils/eventRecurrence"
 
 const router = useRouter()
 const auth = useAuthStore()
@@ -534,7 +535,7 @@ function buildResources({ profiles, inventoryitems }) {
 function buildEvents({ rawEvents, projectsById }) {
   const mappedEvents = rawEvents
     .filter((event) => !event.archived)
-    .map((event) => {
+    .flatMap((event) => {
       const resourceIds = [
         ...(profiles.value
           .filter((profile) => (event.profiles || []).includes(profile.id))
@@ -542,20 +543,26 @@ function buildEvents({ rawEvents, projectsById }) {
         ...(event.inventoryitems || []).map((itemId) => `I-${itemId}`)
       ]
 
-      return {
-        title: resolveDisplayedEventTitle(event, projectsById),
-        start: event.startDate,
-        end: event.endDate,
-        resourceIds,
-        color: event.color || null,
-        state: event.state || "Final",
-        backgroundColor: resolveRenderedEventColor(event),
-        borderColor: resolveRenderedEventColor(event),
-        textColor: "#ffffff",
-        classNames: event.state === "Entwurf" ? ["planning-board-draft-event"] : [],
-        entrytype: "event",
-        eventId: event.id
-      }
+      return expandRecurringEvent(
+        event,
+        `${visibleRange.value.from}T00:00:00`,
+        `${visibleRange.value.to}T23:59:59`,
+        (occurrenceStart, occurrenceEnd, occurrenceIndex) => ({
+          title: resolveDisplayedEventTitle(event, projectsById),
+          start: occurrenceStart.toISOString(),
+          end: occurrenceEnd ? occurrenceEnd.toISOString() : null,
+          resourceIds,
+          color: event.color || null,
+          state: event.state || "Final",
+          backgroundColor: resolveRenderedEventColor(event),
+          borderColor: resolveRenderedEventColor(event),
+          textColor: "#ffffff",
+          classNames: event.state === "Entwurf" ? ["planning-board-draft-event"] : [],
+          entrytype: "event",
+          eventId: event.id,
+          occurrenceIndex
+        })
+      )
     })
     .filter((event) => event.resourceIds.length > 0)
 
diff --git a/frontend/stores/data.js b/frontend/stores/data.js
index c355530..b330f66 100644
--- a/frontend/stores/data.js
+++ b/frontend/stores/data.js
@@ -3096,6 +3096,13 @@ export const useDataStore = defineStore('data', () => {
                     selectManualOptions: ["Entwurf", "Final"],
                     sortable: true
                 },
+                {
+                    key: "repeatInterval",
+                    label: "Wiederholung",
+                    inputType: "select",
+                    selectManualOptions: ["Keine Wiederholung", "Täglich", "Wöchentlich", "2-wöchentlich", "Monatlich", "Jährlich"],
+                    sortable: true
+                },
                 {
                     key: "color",
                     label: "Farbe",
diff --git a/frontend/utils/eventRecurrence.ts b/frontend/utils/eventRecurrence.ts
new file mode 100644
index 0000000..60aacb0
--- /dev/null
+++ b/frontend/utils/eventRecurrence.ts
@@ -0,0 +1,78 @@
+import dayjs from "dayjs"
+
+export const EVENT_REPEAT_INTERVALS = [
+  "Keine Wiederholung",
+  "Täglich",
+  "Wöchentlich",
+  "2-wöchentlich",
+  "Monatlich",
+  "Jährlich"
+] as const
+
+const DEFAULT_REPEAT_INTERVAL = "Keine Wiederholung"
+const MAX_OCCURRENCES = 500
+
+const addInterval = (date: dayjs.Dayjs, repeatInterval: string) => {
+  switch (repeatInterval) {
+    case "Täglich":
+      return date.add(1, "day")
+    case "Wöchentlich":
+      return date.add(1, "week")
+    case "2-wöchentlich":
+      return date.add(2, "week")
+    case "Monatlich":
+      return date.add(1, "month")
+    case "Jährlich":
+      return date.add(1, "year")
+    default:
+      return null
+  }
+}
+
+export const normalizeRepeatInterval = (value?: string | null) =>
+  EVENT_REPEAT_INTERVALS.includes(value as typeof EVENT_REPEAT_INTERVALS[number])
+    ? value as typeof EVENT_REPEAT_INTERVALS[number]
+    : DEFAULT_REPEAT_INTERVAL
+
+export const expandRecurringEvent = <T>(
+  event: {
+    startDate: string | Date
+    endDate?: string | Date | null
+    repeatInterval?: string | null
+  },
+  rangeStart: string | Date,
+  rangeEnd: string | Date,
+  buildOccurrence: (occurrenceStart: dayjs.Dayjs, occurrenceEnd: dayjs.Dayjs | null, occurrenceIndex: number) => T
+) => {
+  const repeatInterval = normalizeRepeatInterval(event.repeatInterval)
+  const baseStart = dayjs(event.startDate)
+  const baseEnd = event.endDate ? dayjs(event.endDate) : null
+  const visibleStart = dayjs(rangeStart)
+  const visibleEnd = dayjs(rangeEnd)
+  const durationMs = baseEnd ? Math.max(baseEnd.diff(baseStart), 0) : 0
+
+  if (repeatInterval === DEFAULT_REPEAT_INTERVAL) {
+    const occurrenceEnd = baseEnd ? baseStart.add(durationMs, "millisecond") : null
+    if (baseStart.isAfter(visibleEnd) || (occurrenceEnd && occurrenceEnd.isBefore(visibleStart))) return []
+    return [buildOccurrence(baseStart, occurrenceEnd, 0)]
+  }
+
+  const occurrences: T[] = []
+  let occurrenceStart = baseStart
+  let occurrenceIndex = 0
+
+  while (occurrenceIndex < MAX_OCCURRENCES && occurrenceStart.isBefore(visibleEnd.add(1, "day"))) {
+    const occurrenceEnd = baseEnd ? occurrenceStart.add(durationMs, "millisecond") : null
+
+    if (!occurrenceStart.isAfter(visibleEnd) && !(occurrenceEnd && occurrenceEnd.isBefore(visibleStart))) {
+      occurrences.push(buildOccurrence(occurrenceStart, occurrenceEnd, occurrenceIndex))
+    }
+
+    const nextStart = addInterval(occurrenceStart, repeatInterval)
+    if (!nextStart || nextStart.isSame(occurrenceStart)) break
+    occurrenceStart = nextStart
+    occurrenceIndex += 1
+  }
+
+  return occurrences
+}