What's the Kennection? #319

Milestii Mici in central Moldova, with its more than 120 miles of tunnels and almost two million bottles, is listed by Guinness as the world's largest what?

Though the city's team today is the Pelicans, what name did New Orleans choose for its first NBA team in 1974?

What time of the year did John Keats call a "season of mists and mellow fruitfulness" in his ode to it?

What TV character literally "jumped the shark" on water-skis in 1977, giving us a new addition to the language?

What vegetables are grated to make tzatziki and pickled to make cornichons?

What's the "Kennection"?