In the years from 1645 to 1715, which coincided with the golden age of piracy in the Caribbean, there was a lull in tropical storm activity.  Recent studies of examining the tree rings in the wood from 500 year old shipwrecks shows there were 75% fewer storms during that time period.

One wonders if the increasing number of hurricanes, which clearly made their trade more perilous, further encouraged the pirates of Nassau to accept the amnesty pardon offered by Woodes Rogers, the new governor of The Bahamas, when he arrived in 1718.

Here’s a link to the article: