Sentence examples for this has occurred before from inspiring English sources

There are crimes committed by athletic department staff throughout the country, and I don't think anything like this has occurred before.

All this has occurred before the company's official debut, which is set to happen tomorrow at Y Combinator's Winter 2014 Demo Day.

What wouldn't have occurred before is what happened to Woods's next shot this time.

The first period of data collection had to have occurred before, during, or shortly after pregnancy including data retrospectively collected.

This wealth gap has occurred before... this kind of frightening repression of people's freedom of expression, mass arrests, has happened before.

This protective effect is > 50% if a full-term pregnancy has occurred before the age of 20 years [ 1].

This study shows that the decrease in circulating CD4 lymphocytes induced by TB has occurred before the diagnosis is made.

Anthrax exposure by laboratory workers handling spores has occurred before.

'It has occurred before darling,' says Bayley, leaning towards her reassuringly.

Practice has varied, but elimination usually has occurred before records have been transferred from the agency of origin.

Melanoma has occurred before in her extended family, and she suspects that there is a genetic factor in her illness.