Today was just the first time that all of these people came out and discovered each other's existence.

The world at large is about to discover their existence.

She knew very well how the Klan had discovered its existence.

In time, Richard discovered the existence of two half siblings.

Town officials and residents discovered its existence in November 2000, even though it had been sitting there for decades.

We have discovered the existence of what is demonstrably a city.

In 1936 the two groups discovered each other's existence.

God alone knew how anyone had discovered its existence.

Morton and his team had discovered the existence of this illness only a few weeks earlier.

Now it's 1992, and several competing forces discover the existence of the documents.