>Scientist claims year 536 was the worst year to be alive
I'd argue there was much worse that took place on this Earth throughout the course of human history. Also, scientists aren't as smart as they think they are. Read some of these myths. Or just read some of the stories from the Bible, or any other religion for that matter.
http://www.gly.uga.edu/railsback/CS/CSFourCreations.html
I'll let you read through the list if you care to. There's a number of coincidences.
http://www.gly.uga.edu/railsback/CS/CSIndex.html