This example shows how to output an unordered list of all events using the Really Simple Events Plugin (http://wordpress.org/plugins/really-simple-events/)

simple-events-custom-output.php

<?php
    /**
     * Function documentation for 'hc_rse_get_events($listType, $showEvents = -1, $startdate = -1, $enddate = -1)'
     * Depending on the list type, get the events
     *
     * @param str $listType - [all|all-reverse|upcoming|upcoming-reverse|past|past-reverse]
     * @param int $showEvents (optional) - the number of events to show
     * @param date $startdate (optional) - date range to start
     * @param date $enddate (optional) - date range to finish
     * @return $wpdb result set $events - Result set of the query
     */
    $events = hc_rse_get_events('all');
?>

<?php if($events): ?>
    <ul>
        <?php foreach($events as $event): ?>
            <?php if($event->link != ''): //show linked event ?>
                <li>
                    <a href="<?php echo hc_rse_display_link($event->link); ?>" title="Details for <?php echo stripslashes($event->title); ?>">
                        <php echo date('d/m/Y H:i', strtotime($event->start_date)); ?> - <?php echo stripslashes($event->title); ?>
                    </a>
                </li>
            <?php else: //show normal event ?>
                <li><php echo date('d/m/Y H:i', strtotime($event->start_date)); ?> - <?php echo stripslashes($event->title); ?></li>
            <?php endif; ?>
        <?php endforeach; ?>
    </ul>
<?php endif; ?>