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The above phrase was used twice in a certain public speech
delivered by a well-known U.S. politician.
When, where and by whom was the speech made?
Decode the phrase and comment about it and about the ambiguity allegedly attributed to it.
Distinct digits denote distinct letters.
BOLD digits denote Capital letters.
Ich bin ein Berliner.
No lookup or computer program or fooling around, the solution just popped into my head.
According to Wikipedia, the speech was given by John F. Kennedy, on June 26, 1963.
Also, according to Wikipedia:
"There is a widespread misconception (outside German-speaking countries) that the phrase was not used correctly and actually means "I'm a doughnut", referring to the Berliner doughnut. It has even been embellished into an urban legend, including equally incorrect claims about the audience laughing at this phrase."