For reasons still unclear to historians, the population of England began to increase rapidly after 1750.

In both cases the Israeli forces were called back for unclear reasons.

He was killed by someone very close to him, and for unclear reasons.

However, for reasons still unclear, the staff had melted the ice surface.

A big factor in that decline was health benefits, which fell 8 percent for unclear reasons.

Then they rejoiced once more, again for an unclear reason.

Its entire population of 320 (1945) fled for unclear reasons.

However, and for reasons unclear, things never quite came together for the team.

For reasons unclear, the wine seems to be aging rather too quickly.

However, for unclear reasons, the division was soon renamed the 44th.