UK: Samsung is launching the Galaxy S5 in April 10, Thursday,18:00 to 21:00. It means 12:00 to 15:00 here in America April 10th, a day ahead of its Official before announced for Friday April 11th as launch date.
The place: Samsung Experience Store, 43-45 ,Northumberland Street, New Castle, NE1 7AF.
Samsung is making also a promotion that reads as follows:
Join us for the launch of the Galaxy S5 at our new Samsung Experience Store and get your hands on the newGalaxy S5. The first 100 people in the door get £10 Samsung Hub vouchers. All attendees can enter to win a Galaxy S5 and Gear 2.
Observing the picture above it seems a large Samsung store the company have in the UK.