How to Use "millennia" with Example Sentences

1. Natural and herbal contraception has been used for millennia .
2. And man has been tampering with nature for millennia .
3. Salesmen have peddled worthless cures for millennia .
4. I 'll report back in several millennia .
5. Indeed , after millennia marked by wars , this very institution reflects the desire of human beings to create a forum to deal with emergencies that will inevitably come .