Although many people across the globe traditionally choose to celebrate April 20th in a quite greener fashion, the date also marks Adolf Hitler's birthday, with some citizens and restaurants in Austria marking the day by serving up Hitler's favorite food, Vice News reported on Thursday.The rumor that Hitler's favorite food was Eiernockerl, an Austrian dumpling served with scrambled eggs and a salad, was popularized by a former Austrian district council member for the Freedom party and convicted Holocaust denier Wolfgang Frolich. The Prohibition Act of 1947 criminalizes the denial of the Holocaust or sympathies to Nazi atrocities."For many many years I've been eating Adolf Hitler's favorite dish Eiernockerl with green salad almost every week," wrote Frolich in a statement. "I do that, because this highly political meal...is one of my favorites. If my memory serves me right, I've eaten Eiernockerl with salad every year on April 20th, Hitler's birthday."The dish, which is not illegal and is regularly served at restaurants, is particularly popular on April 20th due to its well known association with the Nazi dictator.Many Austrians, proud of their association with the genocidal mastermind who was born in Austria, took to social media to brag about their 4/20 feast. One user even posted a picture of an Eiernnockerl birthday cake with a candle.Restaurants gleefully advertised the dish as a daily special for April 20th."Do you always have Eiernockerl with green salad or is that only today?" Vice asked in an interview with Austrian eatery Börnys S'Wirthaus, who advertised the dish on social media."It's our special for today... We always serve it on the 20th," they responded.Another restaurant The Wirthaus am Wasserpark in Floridsdorf, posted their special April 20th menu complete with Eiernockerl with green salad, along with a winking emoji.No, it's not a coincidence we serve the meal today, said the restaurant after Vice inquired.