They mark the point at which we cut out of a movie.

She knew the day would mark the turning point of her life.

The year 1840 marked a turning point in her career, however.

The performance was a great success and marked a turning point in his career.

But it marked a turning point in the series for a while.

As with many other issues, the 1940s marked a turning point in food production.

Some were years that just rolled into the next, and others would mark a turning point in our nation.

This period also marks a turning point in terms of the economy.

The new agreement would mark a huge turning point in the $600 billion communications market.

The year marked an important turning point for the reform effort.