'Two' in the Bible

In those days, while Mordecai sat in the king's gate, two of the king's chamberlains, Bigthan and Teresh, of those which kept the threshold, were wroth, and sought to lay hand on the king Ahasuerus.

And it was found written, that Mordecai had told of Bigthana and Teresh, two of the king's chamberlains, keepers of the threshold, who had sought to lay hand on king Ahasuerus.

the Jews ordained and took upon them, and upon their seed, and upon all such as joined themselves to them, so that it should not fail, that they would observe these two days according to their writing and according to their fixed time, every year;