Bypass the login screen?
Add the following code to your page. Adjust the path, email address, password and log in text to fit your installation.
<form id="login" name="login" method="post" action="calendar/events/index.php">
<input name="name" type="hidden" id="name" value="user@email.com" />
<input name="pwd" type="hidden" id="pwd" value="RealPassword" />
<a href="#" onclick="document.login.submit();return false;">Click to log in</a>
</form>