RewriteEngine On RewriteBase / RewriteRule ^calendar/([^/.]+)/([^/.]+)/?$ wp-calendar.php?year=$1&month=$2 [QSA,L] RewriteRule ^calendar/?$wp-calendar.php [QSA,L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L]