"Other historic evidence of the use Czechia in English is from 1856 and 1866 in the Australian press," the site said. "U.S. newspapers commonly used Czechia between 1918 and 1960 to refer to the western part of Czechoslovakia (as opposed to Slovakia, its eastern part) i.e. to the contemporary Czech Republic."
The Guardian reported that foreign Minister Lubomir Zaoralek has cited similar reasons for making the change: "Distortions and misspellings."
Another reason is that some still call the country by the name of a country that no longer exists: Czechoslovakia.
Czechoslovakia ceased to exist in 1993, when the country split into Slovakia and the Czech Republic.
Officials issued a joint statement Thursday that said they would ask the United Nations to to update the country's name.
"We recommend using the single-word name in foreign languages in situations when it’s not necessary to use the country’s formal name: Sports events, marketing purposes etc."
BuzzFeed News reported that Twitter has had fun with the news, making the same joke: