Index: wp-content/themes/twentyfourteen/archive.php
===================================================================
--- wp-content/themes/twentyfourteen/archive.php	(revision 26439)
+++ wp-content/themes/twentyfourteen/archive.php	(working copy)
@@ -31,10 +31,10 @@
 							printf( __( 'Day: %s', 'twentyfourteen' ), get_the_date() );
 
 						elseif ( is_month() ) :
-							printf( __( 'Month: %s', 'twentyfourteen' ), get_the_date( 'F Y' ) );
+							printf( __( 'Month: %s', 'twentyfourteen' ), get_the_date(__('F Y', 'twentyfourteen' ) ) );
 
 						elseif ( is_year() ) :
-							printf( __( 'Year: %s', 'twentyfourteen' ), get_the_date( 'Y' ) );
+							printf( __( 'Year: %s', 'twentyfourteen' ), get_the_date(__('Y', 'twentyfourteen' ) ) );
 
 						else :
 							_e( 'Archives', 'twentyfourteen' );
Index: wp-includes/theme-compat/sidebar.php
===================================================================
--- wp-includes/theme-compat/sidebar.php	(revision 26439)
+++ wp-includes/theme-compat/sidebar.php	(working copy)
@@ -38,7 +38,7 @@
 			<p><?php printf(__('You are currently browsing the <a href="%1$s/">%2$s</a> blog archives for %3$s.'), get_bloginfo('url'), get_bloginfo('name'), get_the_time(__('F, Y'))); ?></p>
 
 			<?php /* If this is a yearly archive */ } elseif (is_year()) { ?>
-			<p><?php printf(__('You are currently browsing the <a href="%1$s/">%2$s</a> blog archives for the year %3$s.'), get_bloginfo('url'), get_bloginfo('name'), get_the_time('Y')); ?></p>
+			<p><?php printf(__('You are currently browsing the <a href="%1$s/">%2$s</a> blog archives for the year %3$s.'), get_bloginfo('url'), get_bloginfo('name'), get_the_time(__('Y'))); ?></p>
 
 			<?php /* If this is a search result */ } elseif (is_search()) { ?>
 			<p><?php printf(__('You have searched the <a href="%1$s/">%2$s</a> blog archives for <strong>&#8216;%3$s&#8217;</strong>. If you are unable to find anything in these search results, you can try one of these links.'), get_bloginfo('url'), get_bloginfo('name'), esc_html( get_search_query() ) ); ?></p>