By Maureen A. Taylor
These are some of the weather-related events that changed your ancestors' lives.
1588 England triumphs over the Spanish Armada due in part to high winds, and becomes a 16th-century superpower
1747-48 Many areas of the United States experience their highest recorded snowfall
1750 Benjamin Franklin publishes a proposal for an experiment to prove lightning is electricity
1758 Benjamin Franklin stops printing Poor Richard's Almanack
1780 The Great Hurricane of 1780 hits in the Caribbean, destroying British and French fleets and killing an estimated 22,000
1792 The first issue of the Farmer's Almanac is published
1841 President William Henry Harrison gives his inaugural address outdoors without a coat, and dies of illness a few weeks later
1845 Rain in Ireland exacerbates the Great Potato Famine and encourages emigration
1849 Joseph Henry, secretary of the Smithsonian, creates a telegraphic network of meteorological volunteers
1873 The US Army Signal Corps issues its first hurricane warning
1889 Heavy rains collapse the dam at Johnstown, Pa., killing more than 2,000
1927 Floods cause devastation and social upheaval in states all along the Mississippi River
1938 Hurricane strikes New York and New England, destroying coastal summer communities
2005 Hurricane Katrina strikes New Orleans, cripples the Gulf Coast and spurs mass migration from the area