What's the Kennection? #153

In 1910, what Russian writer died at a train station, just like his character Anna Karenina had?

Article I of the Constitution said that what undertaking should be completed in 1790 "and within every subsequent Term of ten years"?

In 1956, Bela Lugosi was buried wearing his costume from what 1931 film?

What is the most common 4-digit PIN in the world, used by an estimated 10.7 percent of all cardholders?

What American sandwich is similar to a French croque-monsieur—but battered, fried and dusted with sugar?

What's the "Kennection"?