An example of a turning point in someone's life is the day a woman finds out she is pregnant.
The battle was the turning-point of the age, and with it the succession of the new Chaldean or Babylonian kingdom was assured.
The wreck of Xerxes expedition is the turning-point in the history of the Persian Empire.
I think it was a turning point for me, too.
The real turning-point had been reached earlier, when Christianity became the state religion under Constantine I.
The revolt of Antonius Saturninus, the commander of the Roman forces in Upper Germany (88 or 89), marks the turning-point in his reign (on the date see H.