In Pics | 10 interesting facts about burgers

Here are some facts about one of the most-consumed foods around the world every year - burgers.

To promote patriotism, the United States Government tried to change the name of hamburgers as 'liberty sandwiches' during World War 1. Credit: Reuters Photo

The Hamburger is reported to have first appeared in the 19th or early 20th century. However, the correct origin is still not known. Credit: AFP Photo

On an average, an American eats a hamburger three times a week. They alone consume over 50-billion burgers a year. Credit: Getty Images

Twisted Root Burger Co restaurant in US serves kangaroo burgers, beaver burgers, ostrich/emu burgers, and more. Credit: Reuters Photo

The US serves one of the world's most expensive burgers. The burger costs $5,000 and is served at the Fleur de Lys in Las Vegas. Credit: Instagram/best.burgers.insta

McDonald’s, the world’s largest fast food chain, serves around 68 million customers daily in 119 countries. Around 75 hamburgers are sold every second in McDonald. Credit: Reuters Photo

A woman named Sonya Thomas set the world record while contesting in the ‘Big Daddy Cheeseburger’ challenge and eating a burger weighing 4 kgs. Credit: Getty Images

PETA asked the city of Hamburg to change its name to Veggieburg as eating meat was 'nothing to be proud of'. Credit: Twitter/@peta

The word ‘hamburger’ comes from Germany’s second-largest city, Hamburg. Credit: Instagram/best.burgers.insta

Legendary boxer Muhammad Ali was once, in a racist gesture, refused a hamburger. Credit: Instagram/muhammadali/best.burgers.insta