Hamburger examples include the rice burger, where the bun is made of rice, and the luxury 1000-yen (US$10) "Takumi Burger" (meaning "artisan taste"), featuring avocados, freshly grated wasabi, and other rare seasonal ingredients. In terms of the actual patty, there are burgers made with Kobe beef, butchered from cows that are fed with beer and massaged daily. McDonald's Japan also recently launched a McPork burger, made with U.S. pork. McDonald's has been gradually losing market share in Japan to these local hamburger chains, due in part to the preference of Japanese diners for fresh ingredients and more refined, "upscale" hamburger offerings.
History of the hamburger have been numerous celebrations marking the centenary of the burger. Two locations in particular organized high-profile events to celebrate 100 years of the hamburger. One was held in Athens, Texas in November 2006, in honor of Fletcher Davis. In a resolution made by the State of Texas, it was established that Athens is the "Original Home of Hamburger". However, in August 2007, the state of Wisconsin made the same claim on behalf of the town of Seymour, the home of Charlie Nagreen who also claimed to be the creator of the hamburger. These two decisions have split the honor of