diff --git a/www/calendar/inner.js b/www/calendar/inner.js
index 34e76fb16..cbf385372 100644
--- a/www/calendar/inner.js
+++ b/www/calendar/inner.js
@@ -375,7 +375,7 @@ define([
                 }
             });
         }
-        if (data.teams.indexOf(1) === -1 || teamId === 0) {
+        if (APP.loggedIn && (data.teams.indexOf(1) === -1 || teamId === 0)) {
             options.push({
                 tag: 'a',
                 attributes: {
@@ -387,10 +387,10 @@ define([
                     importCalendar({
                         id: id,
                         teamId: teamId
-                    }, function (obj) {
-                        if (obj && obj.error) {
-                            console.error(obj.error);
-                            return void UI.warn(obj.error);
+                    }, function (err) {
+                        if (err) {
+                            console.error(err);
+                            return void UI.warn(Messages.error);
                         }
                     });
                     return true;
@@ -677,14 +677,16 @@ define([
                     importCalendar({
                         id: tempCalendars[0],
                         teamId: 0
-                    }, function (obj) {
-                        if (obj && obj.error) {
-                            console.error(obj.error);
-                            return void UI.warn(obj.error);
+                    }, function (err) {
+                        if (err) {
+                            console.error(err);
+                            return void UI.warn(Messages.error);
                         }
                     });
                 });
-                APP.$calendars.append(h('div.cp-calendar-entry.cp-ghost', importTemp));
+                if (APP.loggedIn) {
+                    APP.$calendars.append(h('div.cp-calendar-entry.cp-ghost', importTemp));
+                }
                 return;
             }
             var myCalendars = filter(1);
@@ -1111,6 +1113,8 @@ define([
         var privateData = metadataMgr.getPrivateData();
         var user = metadataMgr.getUserData();
 
+        APP.loggedIn = common.isLoggedIn();
+
         common.setTabTitle(Messages.calendar);
 
         // Fix flatpickr selection
@@ -1248,6 +1252,11 @@ define([
         var store = window.cryptpadStore;
         APP.module.execCommand('SUBSCRIBE', null, function (obj) {
             if (obj.empty && !privateData.calendarHash) {
+                if (!privateData.loggedIn) {
+                    return void UI.errorLoadingScreen(Messages.mustLogin, false, function () {
+                        common.setLoginRedirect('login');
+                    });
+                }
                 // No calendar yet, create one
                 newCalendar({
                     teamId: 1,
diff --git a/www/common/application_config_internal.js b/www/common/application_config_internal.js
index f1b2f94bf..c7b66c1e5 100644
--- a/www/common/application_config_internal.js
+++ b/www/common/application_config_internal.js
@@ -20,7 +20,7 @@ define(function() {
      * users and these users will be redirected to the login page if they still try to access
      * the app
      */
-    config.registeredOnlyTypes = ['file', 'contacts', 'notifications', 'support', 'calendar'];
+    config.registeredOnlyTypes = ['file', 'contacts', 'notifications', 'support'];
 
     /* CryptPad is available is multiple languages, but only English and French are maintained
      * by the developers. The other languages may be outdated, and any missing string for a langauge
diff --git a/www/common/outer/calendar.js b/www/common/outer/calendar.js
index 33453b6ee..bea22db6b 100644
--- a/www/common/outer/calendar.js
+++ b/www/common/outer/calendar.js
@@ -114,8 +114,8 @@ define([
             }
         }
 
-        // XXX add a limit to make sure we don't go too far in the past? ==> 1 week
-        var missed = useLastVisit && ev.start > last && ev.end <= now;
+        var oneWeekAgo = now - (7 * 24 * 3600 * 1000);
+        var missed = useLastVisit && ev.start > last && ev.end <= now && ev.end > oneWeekAgo;
         if (ev.end <= now && !missed) {
             // No reminder for past events
             delete reminders[uid];
@@ -543,6 +543,8 @@ define([
         var hash = Hash.getEditHashFromKeys(secret);
         var roHash = Hash.getViewHashFromKeys(secret);
 
+        if (!ctx.loggedIn) { hash = undefined; }
+
         var cal = {
             href: hash && Hash.hashToHref(hash, 'calendar'),
             roHref: roHash && Hash.hashToHref(roHash, 'calendar'),
@@ -846,8 +848,9 @@ define([
     Calendar.init = function (cfg, waitFor, emit) {
         var calendar = {};
         var store = cfg.store;
-        if (!store.loggedIn || !store.proxy.edPublic) { return; } // XXX logged in only? we should al least allow read-only for URL calendars
+        //if (!store.loggedIn || !store.proxy.edPublic) { return; } // XXX logged in only? we should al least allow read-only for URL calendars
         var ctx = {
+            loggedIn: store.loggedIn && store.proxy.edPublic,
             store: store,
             Store: cfg.Store,
             pinPads: cfg.pinPads,
@@ -918,17 +921,21 @@ define([
             }
             if (cmd === 'IMPORT') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void importCalendar(ctx, data, clientId, cb);
             }
             if (cmd === 'IMPORT_ICS') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void importICSCalendar(ctx, data, clientId, cb);
             }
             if (cmd === 'ADD') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void addCalendar(ctx, data, clientId, cb);
             }
             if (cmd === 'CREATE') {
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 if (data.initialCalendar) {
                     return void ctx.Store.onReadyEvt.reg(function () {
                         createCalendar(ctx, data, clientId, cb);
@@ -939,22 +946,27 @@ define([
             }
             if (cmd === 'UPDATE') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void updateCalendar(ctx, data, clientId, cb);
             }
             if (cmd === 'DELETE') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void deleteCalendar(ctx, data, clientId, cb);
             }
             if (cmd === 'CREATE_EVENT') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void createEvent(ctx, data, clientId, cb);
             }
             if (cmd === 'UPDATE_EVENT') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void updateEvent(ctx, data, clientId, cb);
             }
             if (cmd === 'DELETE_EVENT') {
                 if (ctx.store.offline) { return void cb({error: 'OFFLINE'}); }
+                if (!ctx.loggedIn) { return void cb({error: 'NOT_LOGGED_IN'}); }
                 return void deleteEvent(ctx, data, clientId, cb);
             }
         };