diff --git a/gulp/tasks/translations.js b/gulp/tasks/translations.js
index b425d15593..c650148640 100755
--- a/gulp/tasks/translations.js
+++ b/gulp/tasks/translations.js
@@ -18,6 +18,8 @@ const outDir = workDir + '/output';
 // should mirror the fragment definitions in polymer.json, so that we load
 // additional resources at equivalent points.
 const TRANSLATION_FRAGMENTS = [
+  'history',
+  'logbook',
   'shopping-list',
 ];
 
diff --git a/panels/history/ha-panel-history.html b/panels/history/ha-panel-history.html
index fe690fd4ab..ea6a4703e6 100644
--- a/panels/history/ha-panel-history.html
+++ b/panels/history/ha-panel-history.html
@@ -14,6 +14,7 @@
 <link rel="import" href="../../src/components/ha-menu-button.html">
 <link rel="import" href="../../src/data/ha-state-history-data.html">
 <link rel="import" href="../../src/resources/ha-style.html">
+<link rel='import' href='../../src/util/hass-mixins.html'>
 
 <dom-module id="ha-panel-history">
   <template>
@@ -52,7 +53,7 @@
       <app-header slot="header" fixed>
         <app-toolbar>
           <ha-menu-button narrow='[[narrow]]' show-menu='[[showMenu]]'></ha-menu-button>
-          <div main-title>History</div>
+          <div main-title>[[localize('panel.history')]]</div>
         </app-toolbar>
       </app-header>
 
@@ -61,22 +62,22 @@
           <vaadin-date-picker
             id='picker'
             value='{{_currentDate}}'
-            label='Showing entries for'
+            label="[[localize('ui.panel.history.showing_entries')]]"
             disabled='[[isLoadingData]]'
           ></vaadin-date-picker>
 
           <paper-dropdown-menu
             label-float
-            label='Period'
+            label="[[localize('ui.panel.history.period')]]"
             disabled='[[isLoadingData]]'
           >
             <paper-listbox
               slot="dropdown-content"
               selected="{{_periodIndex}}"
             >
-              <paper-item>1 day</paper-item>
-              <paper-item>3 days</paper-item>
-              <paper-item>1 week</paper-item>
+              <paper-item>[[localize('ui.duration.day', 'count', 1)]]</paper-item>
+              <paper-item>[[localize('ui.duration.day', 'count', 3)]]</paper-item>
+              <paper-item>[[localize('ui.duration.week', 'count', 1)]]</paper-item>
             </paper-listbox>
           </paper-dropdown-menu>
         </div>
@@ -91,7 +92,10 @@
 </dom-module>
 
 <script>
-class HaPanelHistory extends Polymer.Element {
+/*
+ * @appliesMixin window.hassMixins.LocalizeMixin
+ */
+class HaPanelHistory extends window.hassMixins.LocalizeMixin(Polymer.Element) {
   static get is() { return 'ha-panel-history'; }
 
   static get properties() {
diff --git a/panels/logbook/ha-panel-logbook.html b/panels/logbook/ha-panel-logbook.html
index 4e6b57714d..7c008e157d 100644
--- a/panels/logbook/ha-panel-logbook.html
+++ b/panels/logbook/ha-panel-logbook.html
@@ -12,6 +12,7 @@
 
 <link rel="import" href="../../src/components/ha-menu-button.html">
 <link rel="import" href="../../src/resources/ha-style.html">
+<link rel='import' href='../../src/util/hass-mixins.html'>
 
 <link rel="import" href="./ha-logbook.html">
 <link rel="import" href="./ha-logbook-data.html">
@@ -53,7 +54,7 @@
       <app-header slot="header" fixed>
         <app-toolbar>
           <ha-menu-button narrow='[[narrow]]' show-menu='[[showMenu]]'></ha-menu-button>
-          <div main-title>Logbook</div>
+          <div main-title>[[localize('panel.logbook')]]</div>
         </app-toolbar>
       </app-header>
 
@@ -61,13 +62,13 @@
         <paper-spinner
           active='[[isLoading]]'
           hidden$='[[!isLoading]]'
-          alt='Loading logbook entries'
+          alt="[[localize('ui.common.loading')]]"
         ></paper-spinner>
 
         <vaadin-date-picker
           id='picker'
           value='{{_currentDate}}'
-          label='Showing entries for'
+          label="[[localize('ui.panel.logbook.showing_entries')]]"
           disabled='[[isLoading]]'
         ></vaadin-date-picker>
 
@@ -78,7 +79,10 @@
 </dom-module>
 
 <script>
-class HaPanelLogbook extends Polymer.Element {
+/*
+ * @appliesMixin window.hassMixins.LocalizeMixin
+ */
+class HaPanelLogbook extends window.hassMixins.LocalizeMixin(Polymer.Element) {
   static get is() { return 'ha-panel-logbook'; }
 
   static get properties() {
diff --git a/src/translations/en.json b/src/translations/en.json
index 10f2922add..d230b6a234 100644
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -274,11 +274,25 @@
     }
   },
   "ui": {
+    "common": {
+      "loading": "Loading"
+    },
+    "duration": {
+      "day": "{count} {count, plural,\n  one {day}\n  other {days}\n}",
+      "week": "{count} {count, plural,\n  one {week}\n  other {weeks}\n}"
+    },
     "sidebar": {
       "developer_tools": "Developer tools",
       "log_out": "Log out"
     },
     "panel": {
+      "history": {
+        "showing_entries": "Showing entries for",
+        "period": "Period"
+      },
+      "logbook": {
+        "showing_entries": "[%key:ui::panel::history::showing_entries%]"
+      },
       "shopping-list": {
         "clear_completed": "Clear completed",
         "add_item": "Add item",