There is no known date of death or burial place for Maria.

There is no exact known date for the founding of the parish.

Donald visits the house of his new love interest for their first known date.

In such cases events are given in chronological order between known dates.

It was later announced that there would a secret show at the O on the 27th, the night before the known date.

I left something in orbit around that planet on a known date.

Very well, I'll go look again, trying to split two known dates.

According to Kemp, this association leads to a regression to the mean of known dates.

The latest known date of his life is 932.

It is difficult, however, to reconcile this narrative with his known dates.