internationally
adv.in many different countries or involving many different nations. You use this when something happens or is known all over the world.
adv.in or between two or more nations; across national boundaries. Often used to describe the scope of business operations, legal agreements, or fame.
“The company sells its products internationally.”
“The film was so successful at home that it was released internationally the following month.”
“While the artist is a household name in her home country, she is only now beginning to be recognised internationally by major galleries and collectors.”
Typically placed after the verb or at the end of the clause to indicate geographical scope.
As an adverb, it modifies the adjective 'famous' directly; do not use an article unless it is followed by a noun.
From international + -ly.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.