1: The humble hamburger dates back to the 19th century in Germany, where it was known as the "Hamburg steak."

2: In the late 1800s, German immigrants brought the concept of the hamburger to the United States, where it quickly gained popularity.

3: The first hamburger stand, White Castle, opened in 1921 in Wichita, Kansas, revolutionizing fast food in America.

4: In the 1940s, McDonald's introduced the "Speedee Service System," making fast food hamburgers even more accessible to the public.

5: The Big Mac was introduced by McDonald's in 1967, becoming an iconic symbol of American fast food culture.

6: Wendy's founder Dave Thomas opened the first Wendy's restaurant in 1969, offering square-shaped hamburgers and fresh ingredients.

7: The gourmet burger trend emerged in the early 2000s, with chefs creating upscale versions of the classic hamburger using high-quality ingredients.

8: Today, the hamburger has evolved into a global icon, with countless variations and toppings to suit every taste preference.

9: From its humble beginnings as a simple ground meat patty to its status as a beloved culinary staple worldwide, the history of the hamburger is a testament to its enduring popularity.