Final answer:
A brief speech saluting a momentous occasion is known as a commendation speech, such as the State of the Union address by the President of the United States.
Step-by-step explanation:
A brief speech saluting a momentous occasion is known as a commendation speech. This type of speech is typically given to honor or acknowledge someone or an event. One example of a commendation speech is the State of the Union address given by the President of the United States to highlight important achievements and goals for the nation.