I would have thought it would be public, at least something like this, one of the most famous speeches of the century, a declaration of war. (law.stackexchange.com)
Let's generate a few other categories of speeches, and then we'll think of examples of famous speeches that fit these categories. (educationworld.com)
The scuffl e took place in a Brighton hotel room and was apparently triggered by Mandelson fussing over whether Blair should wear a shirt and tie for his now famous speech on Clause 4. (totalpolitics.com)