diff --git a/src/components/konva/Note.tsx b/src/components/konva/Note.tsx
index 4274801..b6ecf6b 100644
--- a/src/components/konva/Note.tsx
+++ b/src/components/konva/Note.tsx
@@ -81,11 +81,12 @@ function Note({
     const noteGroup = event.target;
     if (userId) {
       onNoteChange?.({
-        ...note,
-        x: noteGroup.x() / mapWidth,
-        y: noteGroup.y() / mapHeight,
-        lastModifiedBy: userId,
-        lastModified: Date.now(),
+        [note.id]: {
+          x: noteGroup.x() / mapWidth,
+          y: noteGroup.y() / mapHeight,
+          lastModifiedBy: userId,
+          lastModified: Date.now(),
+        },
       });
     }
     onNoteDragEnd?.(event, note.id);
diff --git a/src/components/map/Map.tsx b/src/components/map/Map.tsx
index 2038861..25d1bb6 100644
--- a/src/components/map/Map.tsx
+++ b/src/components/map/Map.tsx
@@ -36,6 +36,7 @@ import {
   NoteChangeEventHandler,
   NoteRemoveEventHander,
   TokenStateChangeEventHandler,
+  NoteCreateEventHander,
 } from "../../types/Events";
 
 import useMapTokens from "../../hooks/useMapTokens";
@@ -55,6 +56,7 @@ type MapProps = {
   onFogDraw: (action: Action<FogState>) => void;
   onFogDrawUndo: () => void;
   onFogDrawRedo: () => void;
+  onMapNoteCreate: NoteCreateEventHander;
   onMapNoteChange: NoteChangeEventHandler;
   onMapNoteRemove: NoteRemoveEventHander;
   allowMapDrawing: boolean;
@@ -79,6 +81,7 @@ function Map({
   onFogDraw,
   onFogDrawUndo,
   onFogDrawRedo,
+  onMapNoteCreate,
   onMapNoteChange,
   onMapNoteRemove,
   allowMapDrawing,
@@ -206,6 +209,7 @@ function Map({
   const { notes, noteMenu, noteDragOverlay } = useMapNotes(
     map,
     mapState,
+    onMapNoteCreate,
     onMapNoteChange,
     onMapNoteRemove,
     selectedToolId,
diff --git a/src/components/note/NoteDragOverlay.tsx b/src/components/note/NoteDragOverlay.tsx
index 9e70efe..aaa0916 100644
--- a/src/components/note/NoteDragOverlay.tsx
+++ b/src/components/note/NoteDragOverlay.tsx
@@ -1,9 +1,10 @@
 import Konva from "konva";
+import { NoteRemoveEventHander } from "../../types/Events";
 
 import DragOverlay from "../map/DragOverlay";
 
 type NoteDragOverlayProps = {
-  onNoteRemove: (noteId: string) => void;
+  onNoteRemove: NoteRemoveEventHander;
   noteId: string;
   noteGroup: Konva.Node;
   dragging: boolean;
@@ -16,7 +17,7 @@ function NoteDragOverlay({
   dragging,
 }: NoteDragOverlayProps) {
   function handleNoteRemove() {
-    onNoteRemove(noteId);
+    onNoteRemove([noteId]);
   }
 
   return (
diff --git a/src/components/note/NoteMenu.tsx b/src/components/note/NoteMenu.tsx
index 04933ad..9f66b37 100644
--- a/src/components/note/NoteMenu.tsx
+++ b/src/components/note/NoteMenu.tsx
@@ -73,31 +73,31 @@ function NoteMenu({
 
   function handleTextChange(event: React.ChangeEvent<HTMLTextAreaElement>) {
     const text = event.target.value.substring(0, 1024);
-    note && onNoteChange({ ...note, text: text });
+    note && onNoteChange({ [note.id]: { text: text } });
   }
 
   function handleColorChange(color: Color) {
     if (!note) {
       return;
     }
-    onNoteChange({ ...note, color: color });
+    onNoteChange({ [note.id]: { color: color } });
   }
 
   function handleSizeChange(event: React.ChangeEvent<HTMLInputElement>) {
     const newSize = parseFloat(event.target.value);
-    note && onNoteChange({ ...note, size: newSize });
+    note && onNoteChange({ [note.id]: { size: newSize } });
   }
 
   function handleVisibleChange() {
-    note && onNoteChange({ ...note, visible: !note.visible });
+    note && onNoteChange({ [note.id]: { visible: !note.visible } });
   }
 
   function handleLockChange() {
-    note && onNoteChange({ ...note, locked: !note.locked });
+    note && onNoteChange({ [note.id]: { locked: !note.locked } });
   }
 
   function handleModeChange() {
-    note && onNoteChange({ ...note, textOnly: !note.textOnly });
+    note && onNoteChange({ [note.id]: { textOnly: !note.textOnly } });
   }
 
   function handleModalContent(node: HTMLElement) {
diff --git a/src/components/token/TokenDragOverlay.tsx b/src/components/token/TokenDragOverlay.tsx
index 176bd27..f91e204 100644
--- a/src/components/token/TokenDragOverlay.tsx
+++ b/src/components/token/TokenDragOverlay.tsx
@@ -18,7 +18,7 @@ function TokenDragOverlay({
   dragging,
 }: TokenDragOverlayProps) {
   function handleTokenRemove() {
-    onTokenStateRemove(tokenState);
+    onTokenStateRemove([tokenState.id]);
   }
 
   return (
diff --git a/src/components/tools/NoteTool.tsx b/src/components/tools/NoteTool.tsx
index 0fa98df..ce880dd 100644
--- a/src/components/tools/NoteTool.tsx
+++ b/src/components/tools/NoteTool.tsx
@@ -17,7 +17,7 @@ import Note from "../konva/Note";
 import { Map } from "../../types/Map";
 import { Note as NoteType } from "../../types/Note";
 import {
-  NoteAddEventHander,
+  NoteCreateEventHander,
   NoteChangeEventHandler,
   NoteDragEventHandler,
   NoteMenuOpenEventHandler,
@@ -28,7 +28,7 @@ const defaultNoteSize = 2;
 type MapNoteProps = {
   map: Map | null;
   active: boolean;
-  onNoteAdd: NoteAddEventHander;
+  onNoteCreate: NoteCreateEventHander;
   onNoteChange: NoteChangeEventHandler;
   notes: NoteType[];
   onNoteMenuOpen: NoteMenuOpenEventHandler;
@@ -41,7 +41,7 @@ type MapNoteProps = {
 function NoteTool({
   map,
   active,
-  onNoteAdd,
+  onNoteCreate,
   onNoteChange,
   notes,
   onNoteMenuOpen,
@@ -127,7 +127,7 @@ function NoteTool({
 
     function handleBrushUp() {
       if (noteData && creatingNoteRef.current) {
-        onNoteAdd(noteData);
+        onNoteCreate([noteData]);
         onNoteMenuOpen(noteData.id, creatingNoteRef.current);
       }
       setNoteData(null);
diff --git a/src/hooks/useMapNotes.tsx b/src/hooks/useMapNotes.tsx
index aa6f99c..517f9ab 100644
--- a/src/hooks/useMapNotes.tsx
+++ b/src/hooks/useMapNotes.tsx
@@ -4,7 +4,11 @@ import { useState } from "react";
 import NoteDragOverlay from "../components/note/NoteDragOverlay";
 import NoteMenu from "../components/note/NoteMenu";
 import NoteTool from "../components/tools/NoteTool";
-import { NoteChangeEventHandler, NoteRemoveEventHander } from "../types/Events";
+import {
+  NoteChangeEventHandler,
+  NoteCreateEventHander,
+  NoteRemoveEventHander,
+} from "../types/Events";
 import { Map, MapToolId } from "../types/Map";
 import { MapState } from "../types/MapState";
 import { Note, NoteDraggingOptions, NoteMenuOptions } from "../types/Note";
@@ -12,6 +16,7 @@ import { Note, NoteDraggingOptions, NoteMenuOptions } from "../types/Note";
 function useMapNotes(
   map: Map | null,
   mapState: MapState | null,
+  onNoteCreate: NoteCreateEventHander,
   onNoteChange: NoteChangeEventHandler,
   onNoteRemove: NoteRemoveEventHander,
   selectedToolId: MapToolId,
@@ -38,8 +43,8 @@ function useMapNotes(
       setNoteDraggingOptions({ ...noteDraggingOptions, dragging: false });
   }
 
-  function handleNoteRemove(noteId: string) {
-    onNoteRemove(noteId);
+  function handleNoteRemove(noteIds: string[]) {
+    onNoteRemove(noteIds);
     setNoteDraggingOptions(undefined);
   }
 
@@ -47,7 +52,7 @@ function useMapNotes(
     <NoteTool
       map={map}
       active={selectedToolId === "note"}
-      onNoteAdd={onNoteChange}
+      onNoteCreate={onNoteCreate}
       onNoteChange={onNoteChange}
       notes={
         mapState
diff --git a/src/hooks/useMapTokens.tsx b/src/hooks/useMapTokens.tsx
index 1a533cf..bf69d35 100644
--- a/src/hooks/useMapTokens.tsx
+++ b/src/hooks/useMapTokens.tsx
@@ -56,8 +56,8 @@ function useMapTokens(
       });
   }
 
-  function handleTokenStateRemove(tokenState: TokenState) {
-    onTokenStateRemove(tokenState);
+  function handleTokenStateRemove(tokenStateIds: string[]) {
+    onTokenStateRemove(tokenStateIds);
     setTokenDraggingOptions(undefined);
   }
 
diff --git a/src/network/NetworkedMapAndTokens.tsx b/src/network/NetworkedMapAndTokens.tsx
index 6a67cfa..b0e0ddb 100644
--- a/src/network/NetworkedMapAndTokens.tsx
+++ b/src/network/NetworkedMapAndTokens.tsx
@@ -356,29 +356,48 @@ function NetworkedMapAndTokens({ session }: { session: Session }) {
     }
   }, [currentMap]);
 
-  function handleNoteChange(note: Note) {
+  function handleNoteCreate(notes: Note[]) {
     setCurrentMapState((prevMapState) => {
       if (!prevMapState) {
         return prevMapState;
       }
+      let newNotes = { ...prevMapState.notes };
+      for (let note of notes) {
+        newNotes[note.id] = note;
+      }
       return {
         ...prevMapState,
-        notes: {
-          ...prevMapState.notes,
-          [note.id]: note,
-        },
+        notes: newNotes,
       };
     });
   }
 
-  function handleNoteRemove(noteId: string) {
+  function handleNoteChange(changes: Record<string, Partial<Note>>) {
+    setCurrentMapState((prevMapState) => {
+      if (!prevMapState) {
+        return prevMapState;
+      }
+      let notes = { ...prevMapState.notes };
+      for (let id in changes) {
+        if (id in notes) {
+          notes[id] = { ...notes[id], ...changes[id] } as Note;
+        }
+      }
+      return {
+        ...prevMapState,
+        notes,
+      };
+    });
+  }
+
+  function handleNoteRemove(noteIds: string[]) {
     setCurrentMapState((prevMapState) => {
       if (!prevMapState) {
         return prevMapState;
       }
       return {
         ...prevMapState,
-        notes: omit(prevMapState.notes, [noteId]),
+        notes: omit(prevMapState.notes, noteIds),
       };
     });
   }
@@ -415,7 +434,7 @@ function NetworkedMapAndTokens({ session }: { session: Session }) {
   }
 
   function handleMapTokenStateChange(
-    change: Record<string, Partial<TokenState>>
+    changes: Record<string, Partial<TokenState>>
   ) {
     if (!currentMapState) {
       return;
@@ -425,9 +444,9 @@ function NetworkedMapAndTokens({ session }: { session: Session }) {
         return prevMapState;
       }
       let tokens = { ...prevMapState.tokens };
-      for (let id in change) {
+      for (let id in changes) {
         if (id in tokens) {
-          tokens[id] = { ...tokens[id], ...change[id] } as TokenState;
+          tokens[id] = { ...tokens[id], ...changes[id] } as TokenState;
         }
       }
 
@@ -438,13 +457,15 @@ function NetworkedMapAndTokens({ session }: { session: Session }) {
     });
   }
 
-  function handleMapTokenStateRemove(tokenState: TokenState) {
+  function handleMapTokenStateRemove(tokenStateIds: string[]) {
     setCurrentMapState((prevMapState) => {
       if (!prevMapState) {
         return prevMapState;
       }
-      const { [tokenState.id]: old, ...rest } = prevMapState.tokens;
-      return { ...prevMapState, tokens: rest };
+      return {
+        ...prevMapState,
+        tokens: omit(prevMapState.tokens, tokenStateIds),
+      };
     });
   }
 
@@ -552,6 +573,7 @@ function NetworkedMapAndTokens({ session }: { session: Session }) {
         onFogDraw={handleFogDraw}
         onFogDrawUndo={handleFogDrawUndo}
         onFogDrawRedo={handleFogDrawRedo}
+        onMapNoteCreate={handleNoteCreate}
         onMapNoteChange={handleNoteChange}
         onMapNoteRemove={handleNoteRemove}
         allowMapDrawing={!!canEditMapDrawing}
diff --git a/src/types/Events.ts b/src/types/Events.ts
index 3881283..832d58a 100644
--- a/src/types/Events.ts
+++ b/src/types/Events.ts
@@ -22,7 +22,7 @@ export type DiceSelectEventHandler = (dice: DefaultDice) => void;
 export type RequestCloseEventHandler = () => void;
 
 export type TokensStateCreateHandler = (states: TokenState[]) => void;
-export type TokenStateRemoveHandler = (state: TokenState) => void;
+export type TokenStateRemoveHandler = (tokenStateIds: string[]) => void;
 export type TokenStateChangeEventHandler = (
   changes: Record<string, Partial<TokenState>>
 ) => void;
@@ -36,9 +36,11 @@ export type TokenDragEventHandler = (
   tokenStateId: string
 ) => void;
 
-export type NoteAddEventHander = (note: Note) => void;
-export type NoteRemoveEventHander = (noteId: string) => void;
-export type NoteChangeEventHandler = (note: Note) => void;
+export type NoteCreateEventHander = (notes: Note[]) => void;
+export type NoteRemoveEventHander = (noteIds: string[]) => void;
+export type NoteChangeEventHandler = (
+  changes: Record<string, Partial<Note>>
+) => void;
 export type NoteMenuOpenEventHandler = (
   noteId: string,
   noteNode: Konva.Node