Sentence examples for many decades from inspiring English sources

Japan's love affair with noise music is many decades old.

Over how many decades?

Why bother, after so many decades?

Is justice, after so many decades, possible?

This has happened intermittently for many decades.

BP is taking bets over many decades.

In how many decades?

Or it could take years, or many decades.

Very few cities specifically outlawed chickens until many decades later.

Estimates range from ten years to many decades.

In other words, this policy has failed for many decades.