More recently, two discoveries have put that date back by a few more years.
The discovery of atomic structure and the uncertainty principle put an emphatic end to that.
This discovery put new life into the queen and her son, and they continued their walk through the forest.
The discovery of bleaching methods by pirates soon put an end to this.
The discovery put the daughter in an almost impossible position.
His discovery had put him in one of those cheerful moods where he could enthuse for hours.
This discovery put an end to the controversy and led to the definition of a new period called Devonian.
The discovery put the issue of Native lands into the forefront.
This last discovery I put to the test at once, snapping off a leaf and sending it skimming toward his face.
The next discovery put an end to discoveries for a time.