<div class="data item content" id="footer-impressum-tab" data-role="content">
    <?php echo $block->getLayout()->createBlock('MagentoCmsBlockBlock')->setBlockId('footer_impressum')->toHtml();?>
</div>

$blockid = 'my-block-id';
$block = Mage::getModel('cms/block')->load($blockid);
echo $block->getTitle();