Yes, hamburgers are such a big contribution to the world. Meanwhile, Poles:

Radium and Polonium (discovery)
Vitamin B1 (synthesized)
Enigma Codebreaking
Kerosene Lamp (Łukasiewicz's Lamp)
Artificial Heart Valve
Mine Detector (MK II)
Bulletproof Vest
Walkie-Talkie
Graphene Applications
Błyskawica Submachine Gun
Rocket Engine Designs
Helicopter Rotor Blade System
PZL Aircraft Innovations
Stefan–Boltzmann Law Contributions
Photographic Color Film Technology
Mechano-Optical Devices
First Digital Music Synthesizer
K-202 Minicomputer
Keratin Hair Treatment