The Great Famine of the 1840s, caused by potato blight, drove more than a million people to emigrate from which country?

Because of his deist beliefs, which author of "The Age of Reason" died a social outcast in New York City in 1809? Which so-called "mad monk", who held great influence over Russia's czarina, was murdered in 1916? Because of its secrecy, the American Party of the 1850s was also known by what name? Because New Jersey passed corporate laws favorable to holding companies in 1889, which tycoon reorganized his Standard… Which Southern writer, who died at 39 in 1964, published only two novels, "Wise Blood" and one other? Because Theodore Roosevelt's Bull Moose Party split the Republican vote, which Democrat won the White House in 1912? Heavy diversion of the Jordan River's water has caused the level of which salty sea to drop dramatically? Which Mississippi River stronghold surrendered to Ulysses S. Grant's forces on July 4, 1863, after a long siege?