diff --git a/lang/tk/activities.php b/lang/tk/activities.php
new file mode 100644
index 000000000..092398ef0
--- /dev/null
+++ b/lang/tk/activities.php
@@ -0,0 +1,124 @@
+<?php
+/**
+ * Activity text strings.
+ * Is used for all the text within activity logs & notifications.
+ */
+return [
+
+    // Pages
+    'page_create'                 => 'created page',
+    'page_create_notification'    => 'Page successfully created',
+    'page_update'                 => 'updated page',
+    'page_update_notification'    => 'Page successfully updated',
+    'page_delete'                 => 'deleted page',
+    'page_delete_notification'    => 'Page successfully deleted',
+    'page_restore'                => 'restored page',
+    'page_restore_notification'   => 'Page successfully restored',
+    'page_move'                   => 'moved page',
+    'page_move_notification'      => 'Page successfully moved',
+
+    // Chapters
+    'chapter_create'              => 'created chapter',
+    'chapter_create_notification' => 'Chapter successfully created',
+    'chapter_update'              => 'updated chapter',
+    'chapter_update_notification' => 'Chapter successfully updated',
+    'chapter_delete'              => 'deleted chapter',
+    'chapter_delete_notification' => 'Chapter successfully deleted',
+    'chapter_move'                => 'moved chapter',
+    'chapter_move_notification' => 'Chapter successfully moved',
+
+    // Books
+    'book_create'                 => 'created book',
+    'book_create_notification'    => 'Book successfully created',
+    'book_create_from_chapter'              => 'converted chapter to book',
+    'book_create_from_chapter_notification' => 'Chapter successfully converted to a book',
+    'book_update'                 => 'updated book',
+    'book_update_notification'    => 'Book successfully updated',
+    'book_delete'                 => 'deleted book',
+    'book_delete_notification'    => 'Book successfully deleted',
+    'book_sort'                   => 'sorted book',
+    'book_sort_notification'      => 'Book successfully re-sorted',
+
+    // Bookshelves
+    'bookshelf_create'            => 'created shelf',
+    'bookshelf_create_notification'    => 'Shelf successfully created',
+    'bookshelf_create_from_book'    => 'converted book to shelf',
+    'bookshelf_create_from_book_notification'    => 'Book successfully converted to a shelf',
+    'bookshelf_update'                 => 'updated shelf',
+    'bookshelf_update_notification'    => 'Shelf successfully updated',
+    'bookshelf_delete'                 => 'deleted shelf',
+    'bookshelf_delete_notification'    => 'Shelf successfully deleted',
+
+    // Revisions
+    'revision_restore' => 'restored revision',
+    'revision_delete' => 'deleted revision',
+    'revision_delete_notification' => 'Revision successfully deleted',
+
+    // Favourites
+    'favourite_add_notification' => '":name" has been added to your favourites',
+    'favourite_remove_notification' => '":name" has been removed from your favourites',
+
+    // Watching
+    'watch_update_level_notification' => 'Watch preferences successfully updated',
+
+    // Auth
+    'auth_login' => 'logged in',
+    'auth_register' => 'registered as new user',
+    'auth_password_reset_request' => 'requested user password reset',
+    'auth_password_reset_update' => 'reset user password',
+    'mfa_setup_method' => 'configured MFA method',
+    'mfa_setup_method_notification' => 'Multi-factor method successfully configured',
+    'mfa_remove_method' => 'removed MFA method',
+    'mfa_remove_method_notification' => 'Multi-factor method successfully removed',
+
+    // Settings
+    'settings_update' => 'updated settings',
+    'settings_update_notification' => 'Settings successfully updated',
+    'maintenance_action_run' => 'ran maintenance action',
+
+    // Webhooks
+    'webhook_create' => 'created webhook',
+    'webhook_create_notification' => 'Webhook successfully created',
+    'webhook_update' => 'updated webhook',
+    'webhook_update_notification' => 'Webhook successfully updated',
+    'webhook_delete' => 'deleted webhook',
+    'webhook_delete_notification' => 'Webhook successfully deleted',
+
+    // Users
+    'user_create' => 'created user',
+    'user_create_notification' => 'User successfully created',
+    'user_update' => 'updated user',
+    'user_update_notification' => 'User successfully updated',
+    'user_delete' => 'deleted user',
+    'user_delete_notification' => 'User successfully removed',
+
+    // API Tokens
+    'api_token_create' => 'created API token',
+    'api_token_create_notification' => 'API token successfully created',
+    'api_token_update' => 'updated API token',
+    'api_token_update_notification' => 'API token successfully updated',
+    'api_token_delete' => 'deleted API token',
+    'api_token_delete_notification' => 'API token successfully deleted',
+
+    // Roles
+    'role_create' => 'created role',
+    'role_create_notification' => 'Role successfully created',
+    'role_update' => 'updated role',
+    'role_update_notification' => 'Role successfully updated',
+    'role_delete' => 'deleted role',
+    'role_delete_notification' => 'Role successfully deleted',
+
+    // Recycle Bin
+    'recycle_bin_empty' => 'emptied recycle bin',
+    'recycle_bin_restore' => 'restored from recycle bin',
+    'recycle_bin_destroy' => 'removed from recycle bin',
+
+    // Comments
+    'commented_on'                => 'commented on',
+    'comment_create'              => 'added comment',
+    'comment_update'              => 'updated comment',
+    'comment_delete'              => 'deleted comment',
+
+    // Other
+    'permissions_update'          => 'updated permissions',
+];