Happy Birthday Dianne Wiest–67 Reba McEntire–60 Bart Conner–57 Vince Vaughn–45 Julia Stiles–34 Stefani Germanotta(“Lady Gaga”)–29 ; 1979 – A coolant leak at the Three Mile Island’s Unit 2 nuclear reactor outside Harrisburg, Pennsylvania leads to the core overheating and a partial melt down.