diff --git a/web/app.react.js b/web/app.react.js
index ad3f0975a..61f6a964e 100644
--- a/web/app.react.js
+++ b/web/app.react.js
@@ -1,273 +1,281 @@
 // @flow
 
 import 'basscss/css/basscss.min.css';
 import './theme.css';
 import { config as faConfig } from '@fortawesome/fontawesome-svg-core';
 import _isEqual from 'lodash/fp/isEqual';
 import * as React from 'react';
 import { DndProvider } from 'react-dnd';
 import { HTML5Backend } from 'react-dnd-html5-backend';
 import { useDispatch } from 'react-redux';
 
 import {
   fetchEntriesActionTypes,
   updateCalendarQueryActionTypes,
 } from 'lib/actions/entry-actions';
 import {
   createLoadingStatusSelector,
   combineLoadingStatuses,
 } from 'lib/selectors/loading-selectors';
 import { unreadCount } from 'lib/selectors/thread-selectors';
 import { isLoggedIn } from 'lib/selectors/user-selectors';
 import type { LoadingStatus } from 'lib/types/loading-types';
 import type { Dispatch } from 'lib/types/redux-types';
 import { registerConfig } from 'lib/utils/config';
 
 import AppsDirectory from './apps/apps-directory.react';
 import Calendar from './calendar/calendar.react';
 import Chat from './chat/chat.react';
+import NavigationArrows from './components/navigation-arrows.react';
 import InputStateContainer from './input/input-state-container.react';
 import LoadingIndicator from './loading-indicator.react';
 import { MenuProvider } from './menu-provider.react';
 import { ModalProvider, useModalContext } from './modals/modal-provider.react';
 import DisconnectedBar from './redux/disconnected-bar';
 import DisconnectedBarVisibilityHandler from './redux/disconnected-bar-visibility-handler';
 import FocusHandler from './redux/focus-handler.react';
 import { useSelector } from './redux/redux-utils';
 import VisibilityHandler from './redux/visibility-handler.react';
 import history from './router-history';
 import AccountSettings from './settings/account-settings.react';
 import DangerZone from './settings/danger-zone.react';
 import LeftLayoutAside from './sidebar/left-layout-aside.react';
 import Splash from './splash/splash.react';
 import './typography.css';
 import css from './style.css';
 import getTitle from './title/getTitle';
 import { type NavInfo, updateNavInfoActionType } from './types/nav-types';
 import { canonicalURLFromReduxState, navInfoFromURL } from './url-utils';
 
 // We want Webpack's css-loader and style-loader to handle the Fontawesome CSS,
 // so we disable the autoAddCss logic and import the CSS file. Otherwise every
 // icon flashes huge for a second before the CSS is loaded.
 import '@fortawesome/fontawesome-svg-core/styles.css';
 faConfig.autoAddCss = false;
 
 registerConfig({
   // We can't securely cache credentials on web, so we have no way to recover
   // from a cookie invalidation
   resolveInvalidatedCookie: null,
   // We use httponly cookies on web to protect against XSS attacks, so we have
   // no access to the cookies from JavaScript
   setCookieOnRequest: false,
   setSessionIDOnRequest: true,
   // Never reset the calendar range
   calendarRangeInactivityLimit: null,
   platformDetails: { platform: 'web' },
 });
 
 type BaseProps = {
   +location: {
     +pathname: string,
     ...
   },
 };
 type Props = {
   ...BaseProps,
   // Redux state
   +navInfo: NavInfo,
   +entriesLoadingStatus: LoadingStatus,
   +loggedIn: boolean,
   +activeThreadCurrentlyUnread: boolean,
   // Redux dispatch functions
   +dispatch: Dispatch,
   +modals: $ReadOnlyArray<React.Node>,
 };
 class App extends React.PureComponent<Props> {
   componentDidMount() {
     const {
       navInfo,
       location: { pathname },
       loggedIn,
     } = this.props;
     const newURL = canonicalURLFromReduxState(navInfo, pathname, loggedIn);
     if (pathname !== newURL) {
       history.replace(newURL);
     }
   }
 
   componentDidUpdate(prevProps: Props) {
     const {
       navInfo,
       location: { pathname },
       loggedIn,
     } = this.props;
     if (!_isEqual(navInfo)(prevProps.navInfo)) {
       const newURL = canonicalURLFromReduxState(navInfo, pathname, loggedIn);
       if (newURL !== pathname) {
         history.push(newURL);
       }
     } else if (pathname !== prevProps.location.pathname) {
       const newNavInfo = navInfoFromURL(pathname, { navInfo });
       if (!_isEqual(newNavInfo)(navInfo)) {
         this.props.dispatch({
           type: updateNavInfoActionType,
           payload: newNavInfo,
         });
       }
     } else if (loggedIn !== prevProps.loggedIn) {
       const newURL = canonicalURLFromReduxState(navInfo, pathname, loggedIn);
       if (newURL !== pathname) {
         history.replace(newURL);
       }
     }
   }
 
   onWordmarkClicked = () => {
     this.props.dispatch({
       type: updateNavInfoActionType,
       payload: { tab: 'chat' },
     });
   };
 
   render() {
     let content;
     if (this.props.loggedIn) {
       content = this.renderMainContent();
     } else {
       content = <Splash />;
     }
     return (
       <DndProvider backend={HTML5Backend}>
         <MenuProvider>
           <FocusHandler />
           <VisibilityHandler />
           {content}
           {this.props.modals}
         </MenuProvider>
       </DndProvider>
     );
   }
 
   renderMainContent() {
     let mainContent;
     const { tab, settingsSection } = this.props.navInfo;
     if (tab === 'calendar') {
       mainContent = <Calendar url={this.props.location.pathname} />;
     } else if (tab === 'chat') {
       mainContent = <Chat />;
     } else if (tab === 'apps') {
       mainContent = <AppsDirectory />;
     } else if (tab === 'settings') {
       if (settingsSection === 'account') {
         mainContent = <AccountSettings />;
       } else if (settingsSection === 'danger-zone') {
         mainContent = <DangerZone />;
       }
     }
 
+    const shouldShowNavigationArrows = false;
+    let navigationArrows = null;
+    if (shouldShowNavigationArrows) {
+      navigationArrows = <NavigationArrows />;
+    }
+
     return (
       <div className={css.layout}>
         <DisconnectedBarVisibilityHandler />
         <DisconnectedBar />
         <header className={css['header']}>
           <div className={css['main-header']}>
             <h1 className={css.wordmark}>
               <a
                 title="Comm Home"
                 aria-label="Go to Comm Home"
                 onClick={this.onWordmarkClicked}
               >
                 Comm
               </a>
             </h1>
+            {navigationArrows}
             <div className={css['upper-right']}>
               <LoadingIndicator
                 status={this.props.entriesLoadingStatus}
                 size="medium"
                 loadingClassName={css['page-loading']}
                 errorClassName={css['page-error']}
               />
             </div>
           </div>
         </header>
         <InputStateContainer>
           <div className={css['main-content-container']}>
             <div className={css['main-content']}>{mainContent}</div>
           </div>
         </InputStateContainer>
         <LeftLayoutAside />
       </div>
     );
   }
 }
 
 const fetchEntriesLoadingStatusSelector = createLoadingStatusSelector(
   fetchEntriesActionTypes,
 );
 const updateCalendarQueryLoadingStatusSelector = createLoadingStatusSelector(
   updateCalendarQueryActionTypes,
 );
 
 const ConnectedApp: React.ComponentType<BaseProps> = React.memo<BaseProps>(
   function ConnectedApp(props) {
     const activeChatThreadID = useSelector(
       state => state.navInfo.activeChatThreadID,
     );
     const navInfo = useSelector(state => state.navInfo);
 
     const fetchEntriesLoadingStatus = useSelector(
       fetchEntriesLoadingStatusSelector,
     );
     const updateCalendarQueryLoadingStatus = useSelector(
       updateCalendarQueryLoadingStatusSelector,
     );
     const entriesLoadingStatus = combineLoadingStatuses(
       fetchEntriesLoadingStatus,
       updateCalendarQueryLoadingStatus,
     );
 
     const loggedIn = useSelector(isLoggedIn);
     const activeThreadCurrentlyUnread = useSelector(
       state =>
         !activeChatThreadID ||
         !!state.threadStore.threadInfos[activeChatThreadID]?.currentUser.unread,
     );
 
     const boundUnreadCount = useSelector(unreadCount);
     React.useEffect(() => {
       document.title = getTitle(boundUnreadCount);
     }, [boundUnreadCount]);
 
     const dispatch = useDispatch();
     const modalContext = useModalContext();
     const modals = React.useMemo(
       () =>
         modalContext.modals.map(([modal, key]) => (
           <React.Fragment key={key}>{modal}</React.Fragment>
         )),
       [modalContext.modals],
     );
 
     return (
       <App
         {...props}
         navInfo={navInfo}
         entriesLoadingStatus={entriesLoadingStatus}
         loggedIn={loggedIn}
         activeThreadCurrentlyUnread={activeThreadCurrentlyUnread}
         dispatch={dispatch}
         modals={modals}
       />
     );
   },
 );
 
 function AppWithProvider(props: BaseProps): React.Node {
   return (
     <ModalProvider>
       <ConnectedApp {...props} />
     </ModalProvider>
   );
 }
 
 export default AppWithProvider;
diff --git a/web/components/navigation-arrows.css b/web/components/navigation-arrows.css
new file mode 100644
index 000000000..7b51a5384
--- /dev/null
+++ b/web/components/navigation-arrows.css
@@ -0,0 +1,10 @@
+.container {
+  display: flex;
+  column-gap: 12px;
+}
+
+.button {
+  color: var(--fg);
+  display: flex;
+  align-items: center;
+}
diff --git a/web/components/navigation-arrows.react.js b/web/components/navigation-arrows.react.js
new file mode 100644
index 000000000..fb8e6b4a2
--- /dev/null
+++ b/web/components/navigation-arrows.react.js
@@ -0,0 +1,31 @@
+// @flow
+
+import * as React from 'react';
+
+import history from '../router-history.js';
+import SWMansionIcon from '../SWMansionIcon.react.js';
+import css from './navigation-arrows.css';
+
+function NavigationArrows(): React.Node {
+  const goBack = React.useCallback(
+    () => history.getHistoryObject().goBack(),
+    [],
+  );
+  const goForward = React.useCallback(
+    () => history.getHistoryObject().goForward(),
+    [],
+  );
+
+  return (
+    <div className={css.container}>
+      <a className={css.button} onClick={goBack}>
+        <SWMansionIcon icon="arrow-left" size={24} />
+      </a>
+      <a className={css.button} onClick={goForward}>
+        <SWMansionIcon icon="arrow-right" size={24} />
+      </a>
+    </div>
+  );
+}
+
+export default NavigationArrows;
diff --git a/web/style.css b/web/style.css
index 4e6b7b28a..a0aa47a34 100644
--- a/web/style.css
+++ b/web/style.css
@@ -1,282 +1,283 @@
 *,
 *:before,
 *:after {
   padding: 0;
   margin: 0;
   -ms-overflow-style: -ms-autohiding-scrollbar;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
 
 html {
   height: 100%;
   font-size: 62.5%;
 }
 body {
   font-family: var(--font-stack);
   background: var(--bg);
   height: 100%;
   overflow: hidden;
   font-size: 1.6rem;
 }
 a {
   text-decoration: none;
   color: #2a5db0;
   cursor: pointer;
 }
 button {
   cursor: pointer;
 }
 img,
 iframe {
   display: block;
 }
 input[type='text'],
 input[type='password'],
 textarea {
   -webkit-appearance: none;
   -moz-appearance: none;
   -webkit-border-radius: 0;
   border: 1px solid #dddddd;
   border-radius: 1px;
   font-family: var(--font-stack);
 }
 
 button svg {
   vertical-align: top;
 }
 :global(#react-root) {
   display: flex;
   flex-direction: column;
   height: 100%;
 }
 
 div.layout {
   height: 100vh;
   display: grid;
   grid-template-columns: 244px repeat(12, 1fr);
   grid-template-rows: 65px calc(100vh - 65px);
   grid-template-areas:
     'nav nav nav nav nav nav nav nav nav nav nav nav nav'
     'sBar app app app app app app app app app app app app';
 }
 
 header.header {
   background: var(--bg);
   z-index: 1;
   grid-area: nav;
 }
 div.main-header {
   height: 64px;
   background: var(--bg);
   display: flex;
   align-items: center;
   border-bottom: 1px solid var(--border-color);
 }
 div.main-header > .wordmark {
   color: var(--fg);
   padding-left: 92px;
   font-family: var(--font-logo);
   line-height: var(--line-height-text);
   font-weight: var(--semi-bold);
   font-size: var(--logo-font-22);
+  margin-right: 40px;
 }
 .wordmark > a {
   color: inherit;
 }
 
 div.main-content-container {
   position: relative;
   grid-area: app;
 }
 div.main-content {
   height: 100%;
 }
 
 div.upper-right {
   position: absolute;
   top: 0;
   right: 0;
   padding: 15px 16px;
 }
 span.loading-indicator-loading {
   display: inline-block;
 }
 @keyframes loading-indicator-loading {
   from {
     transform: rotate(0deg);
   }
   to {
     transform: rotate(360deg);
   }
 }
 span.loading-indicator-loading-medium:after {
   content: ' ';
   display: block;
   width: 15px;
   height: 15px;
   border-radius: 50%;
   border: 3px solid #fff;
   border-color: #fff transparent #fff transparent;
   animation-name: loading-indicator-loading;
   animation-duration: 1.2s;
   animation-iteration-count: infinite;
   animation-timing-function: linear;
 }
 span.loading-indicator-loading-large:after {
   content: ' ';
   display: block;
   width: 25px;
   height: 25px;
   border-radius: 50%;
   border: 3px solid #fff;
   border-color: #fff transparent #fff transparent;
   animation-name: loading-indicator-loading;
   animation-duration: 1.2s;
   animation-iteration-count: infinite;
   animation-timing-function: linear;
 }
 span.loading-indicator-loading-small:after {
   content: ' ';
   display: block;
   width: 9px;
   height: 9px;
   border-radius: 50%;
   border: 2px solid #fff;
   border-color: #fff transparent #fff transparent;
   animation-name: loading-indicator-loading;
   animation-duration: 1.2s;
   animation-iteration-count: infinite;
   animation-timing-function: linear;
 }
 span.loading-indicator-black:after {
   border-color: #000 transparent #000 transparent;
 }
 span.loading-indicator-error {
   font-weight: bold;
   color: white;
   line-height: 0;
 }
 span.loading-indicator-error-black {
   font-weight: bold;
   color: red;
   line-height: 0;
 }
 
 div.form-enum-selector {
   display: inline-block;
   padding-bottom: 4px;
 }
 div.form-enum-selector > div.form-enum-container {
   padding-top: 5px;
 }
 div.form-enum-selector > div.form-enum-container > input {
   vertical-align: top;
   margin-top: 4px;
 }
 div.form-enum-selector div.form-enum-option {
   display: inline-block;
   font-size: 15px;
   font-weight: 600;
   padding-left: 3px;
 }
 div.form-enum-selector span.form-enum-description {
   display: block;
   font-family: var(--font-stack);
   font-weight: normal;
   font-size: 13px;
   max-width: 260px;
   color: gray;
 }
 div.color-title {
   margin-top: 4px;
 }
 
 .hidden {
   display: none;
 }
 .italic {
   font-style: italic;
 }
 
 div.form-textarea-container {
   margin-top: 1px;
 }
 
 div.new-thread-privacy-container {
   margin-bottom: 3px;
   margin-top: -6px;
 }
 
 span.page-loading {
   margin-top: 5px;
   margin-right: 12px;
   float: left;
 }
 span.page-error {
   margin: 15px;
   font-size: 42px;
   float: left;
   color: red;
 }
 
 div.color-picker-container {
   outline: none;
   position: relative;
 }
 div.color-picker-button {
   margin: 6px 3px;
   overflow: hidden;
   cursor: pointer;
   padding: 4px;
   display: inline-block;
   border: solid 1px darkgray;
   background: #eee;
   color: #333;
   vertical-align: middle;
   border-radius: 3px;
 }
 div.color-picker-preview {
   width: 25px;
   height: 16px;
   border: solid 1px #222;
   margin-right: 5px;
   float: left;
   z-index: 0;
 }
 div.color-picker-down-symbol {
   padding: 1px 0;
   height: 16px;
   line-height: 16px;
   float: left;
   font-size: 10px;
 }
 div.color-picker-selector {
   position: absolute;
   left: 4px;
   top: 34px;
 }
 
 @media only screen and (-webkit-min-device-pixel-ratio: 2),
   only screen and (min--moz-device-pixel-ratio: 2),
   only screen and (-o-min-device-pixel-ratio: 2/1),
   only screen and (min-device-pixel-ratio: 2),
   only screen and (min-resolution: 320dpi),
   only screen and (min-resolution: 2dppx) {
   header.header,
   header.main-header,
   div.splash-header-container,
   div.splash-top-container,
   div.splash-bottom,
   div.calendar-filters-container {
     background: var(--bg);
   }
 }
 
 @media (hover: none) {
   div.splash-header-container,
   div.splash-top-container,
   div.splash-bottom {
     background-attachment: initial;
   }
 }