function wpt_events_date() {
    global $post;
    // Noncename needed to verify where the data originated
    echo '<input type="hidden" name="eventmeta_noncename" id="eventmeta_noncename" value="' .
    wp_create_nonce( plugin_basename(__FILE__) ) . '" />';
    // Get the location data if its already been entered
    $month = get_post_meta($post->ID, '_month', true);
    $date = get_post_meta( $post->ID, '_date', true );
    // Echo out the field
    echo '<p>Enter the month</p>';
    echo '<input type="text" name="_month" value="' . $month  . '" class="widefat" />';
    echo '<p>Enter the date</p>';
    echo '<input type="text" name="_date" value="' . $date  . '" class="widefat" />';
}

// Save the Metabox Data
function wpt_save_events_meta($post_id, $post) {
    // verify this came from the our screen and with proper authorization,
    // because save_post can be triggered at other times
    if ( !wp_verify_nonce( $_POST['eventmeta_noncename'], plugin_basename(__FILE__) )) {
    return $post->ID;
    }
    // Is the user allowed to edit the post or page?
    if ( !current_user_can( 'edit_post', $post->ID ))
        return $post->ID;
    // OK, we're authenticated: we need to find and save the data
    // We'll put it into an array to make it easier to loop though.
    $events_meta['_month'] = $_POST['_month'];
    $events_meta['_date'] = $_POST['_date'];
    // Add values of $events_meta as custom fields
    foreach ($events_meta as $key => $value) { // Cycle through the $events_meta array!
        if( $post->post_type == 'revision' ) return; // Don't store custom data twice
        $value = implode(',', (array)$value); // If $value is an array, make it a CSV (unlikely)
        if(get_post_meta($post->ID, $key, FALSE)) { // If the custom field already has a value
            update_post_meta($post->ID, $key, $value);
        } else { // If the custom field doesn't have a value
            add_post_meta($post->ID, $key, $value);
        }
        if(!$value) delete_post_meta($post->ID, $key); // Delete if blank
    }
}