A Heinrich Event probably occurred around the time that Atlantis was supposed to have disappeared

An online article, by Prof. Arysio Nunes dos Santos , called The True History of Atlantis says that a Heinrich Event probably occurred around the time that Atlantis was supposed to have disappeared. Here’s an excerpt from the article:

Another important fact was the discovery that the date of the cataclysm which caused the end of the Pleistocene Ice Age — very probably a Heinrich Event, as is fast becoming clear — was not only sudden and brutal, but occurred at the date stipulated by Plato, that of 11,600 years ago.