Precedent and unprecedented

English as a Second Language English Vocabulary, Grammar and Idioms
1

I am quite confused with the words “precedent” and “unprecedented”.

Could you please help me with some sentences?

Thanks in advance.

2

I have a better idea, Imsriram: Why don’t you google the two words and then post some sample sentences that you like here? Then we will check for you that they are typical uses of the words.