diff --git a/src/renderer/components/Editor/Editor.css b/src/renderer/components/Editor/Editor.css
index 39ae1a6..fb91fa8 100644
--- a/src/renderer/components/Editor/Editor.css
+++ b/src/renderer/components/Editor/Editor.css
@@ -519,12 +519,23 @@
 }
 
 .timeline-bar-label {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
   font-size: 9px;
   color: var(--vscode-descriptionForeground);
   margin-top: 4px;
+  line-height: 1.15;
+}
+
+.timeline-bar-label-month {
   white-space: nowrap;
 }
 
+.timeline-bar-label-year {
+  font-size: 8px;
+}
+
 /* Tag cloud */
 .tag-cloud {
   display: flex;
diff --git a/src/renderer/components/Editor/Editor.tsx b/src/renderer/components/Editor/Editor.tsx
index 2547747..659ad8c 100644
--- a/src/renderer/components/Editor/Editor.tsx
+++ b/src/renderer/components/Editor/Editor.tsx
@@ -1619,7 +1619,10 @@ const Dashboard: React.FC = () => {
                   <div className="timeline-bar" style={{ height: `${(entry.count / maxCount) * 100}%` }}>
                     <span className="timeline-bar-count">{entry.count}</span>
                   </div>
-                  <div className="timeline-bar-label">{monthFormatter.format(new Date(entry.year, entry.month, 1))}</div>
+                  <div className="timeline-bar-label">
+                    <span className="timeline-bar-label-month">{monthFormatter.format(new Date(entry.year, entry.month, 1))}</span>
+                    <span className="timeline-bar-label-year">{entry.year}</span>
+                  </div>
                 </div>
               ))}
             </div>
diff --git a/tests/renderer/components/EditorDashboardTimeline.test.tsx b/tests/renderer/components/EditorDashboardTimeline.test.tsx
new file mode 100644
index 0000000..717bf9f
--- /dev/null
+++ b/tests/renderer/components/EditorDashboardTimeline.test.tsx
@@ -0,0 +1,85 @@
+import React from 'react';
+import { describe, it, expect, beforeEach, vi } from 'vitest';
+import { render, screen, act } from '@testing-library/react';
+
+vi.mock('@monaco-editor/react', () => ({
+  default: () => <div data-testid="monaco-editor" />,
+}));
+
+vi.mock('../../../src/renderer/components/MilkdownEditor', () => ({ MilkdownEditor: () => null }));
+vi.mock('../../../src/renderer/components/Lightbox', () => ({
+  Lightbox: () => null,
+  useMarkdownImages: () => [],
+}));
+vi.mock('../../../src/renderer/components/PostLinks', () => ({ PostLinks: () => null }));
+vi.mock('../../../src/renderer/components/LinkedMediaPanel', () => ({ LinkedMediaPanel: () => null }));
+vi.mock('../../../src/renderer/components/ErrorModal', () => ({ ErrorModal: () => null }));
+vi.mock('../../../src/renderer/components/ConfirmDeleteModal', () => ({ ConfirmDeleteModal: () => null }));
+vi.mock('../../../src/renderer/components/SettingsView', () => ({ SettingsView: () => null }));
+vi.mock('../../../src/renderer/components/StyleView/StyleView', () => ({ StyleView: () => null }));
+vi.mock('../../../src/renderer/components/TagsView', () => ({ TagsView: () => null }));
+vi.mock('../../../src/renderer/components/TagInput', () => ({ TagInput: () => null }));
+vi.mock('../../../src/renderer/components/ChatPanel', () => ({ ChatPanel: () => null }));
+vi.mock('../../../src/renderer/components/ImportAnalysisView', () => ({ ImportAnalysisView: () => null }));
+vi.mock('../../../src/renderer/components/MenuEditorView/MenuEditorView', () => ({ MenuEditorView: () => null }));
+vi.mock('../../../src/renderer/components/MetadataDiffPanel', () => ({ MetadataDiffPanel: () => null }));
+vi.mock('../../../src/renderer/components/GitDiffView/GitDiffView', () => ({ GitDiffView: () => null }));
+vi.mock('../../../src/renderer/components/DocumentationView/DocumentationView', () => ({ DocumentationView: () => null }));
+vi.mock('../../../src/renderer/components/SiteValidationView', () => ({ SiteValidationView: () => null }));
+vi.mock('../../../src/renderer/components/InsertModal', () => ({ InsertModal: () => null }));
+vi.mock('../../../src/renderer/components/AISuggestionsModal/AISuggestionsModal', () => ({
+  AISuggestionsModal: () => null,
+}));
+vi.mock('../../../src/renderer/components/Toast', () => ({
+  showToast: {
+    success: vi.fn(),
+    error: vi.fn(),
+  },
+}));
+
+import { Editor } from '../../../src/renderer/components/Editor/Editor';
+import { useAppStore } from '../../../src/renderer/store';
+
+describe('Editor dashboard timeline', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+
+    (window as any).electronAPI.posts.getDashboardStats = vi.fn().mockResolvedValue({
+      totalPosts: 1,
+      draftCount: 0,
+      publishedCount: 1,
+      archivedCount: 0,
+    });
+    (window as any).electronAPI.posts.getByYearMonth = vi.fn().mockResolvedValue([
+      { year: 2024, month: 0, count: 1 },
+    ]);
+    (window as any).electronAPI.posts.getTagsWithCounts = vi.fn().mockResolvedValue([]);
+    (window as any).electronAPI.posts.getCategoriesWithCounts = vi.fn().mockResolvedValue([]);
+    (window as any).electronAPI.tags = {
+      getAll: vi.fn().mockResolvedValue([]),
+    };
+    (window as any).electronAPI.app.setPreviewPostTarget = vi.fn().mockResolvedValue(undefined);
+
+    useAppStore.setState({
+      tabs: [],
+      activeTabId: null,
+      posts: [],
+      media: [],
+      isLoading: false,
+      errorModal: null,
+      confirmDeleteModal: null,
+    });
+  });
+
+  it('shows the timeline year for each month label', async () => {
+    render(<Editor />);
+
+    await act(async () => {
+      await Promise.resolve();
+      await Promise.resolve();
+      await Promise.resolve();
+    });
+
+    expect(screen.getByText('2024')).toBeInTheDocument();
+  });
+});
\ No newline at end of file