I'm going to have to say China according to: http://www.beijingservice.com/beijinghighlights/dumpling.htm
Chinese Dumpling
Chinese dumplings or Jiaozi, with meat and vegetable fillings, is a traditional Chinese Food, which is essential during holidays in Northern China. Chinese are Masters in the Art of Making Dumplings.
History
The history of jiaozi dates back to ancient times, some 500-600 years ago. As the Spring Festival marks the start of a new year, people choose to eat jiaozi to connote their wishes for good fortune in the new year. China has been perfecting the art of dumpling making since the Sung dynasty. Copyright @ BeijingService.com
In which country did the Bellini originate?
Here, try a dumpling. A dumpling can be sweet or savoury.
what country did the zero symbol originate from?
the Chinese did and they sell rice & dumpling for 1 dollar
They originate from Germany.
To eat or not to eat the dumpling that is the question?
The yiddish word for dumpling is 'kneydl' :)
Spaghetti originate from Italy
Dango is a sweet dumpling and written as 団子 Takoyaki is an octopus dumpling and written as 蛸焼
My mother said that my fondness for suet dumplings was turning me into a dumpling too and that I needed to lose weight.
An apple dumpling is a baked dessert made from apples.
Germany