move-up-history-start-date.html

<!-- 
	Replace the X in the "monthsToRemove" line with the number off months you want to chop off of the end of your history page.
	Once you've done that, paste the following into the Custom Footer section.
-->

<script>
	$(function() {
		var monthsToRemove = X;

		for (i = 0; i < monthsToRemove; i++) { 
		  $('.months-container .month:last-child').remove();
		}
	});
</script>