I Maccabees 10:21

21 So in the seventh month of the hundred and sixtieth year, at the feast of the tabernacles, Jonathan put on the holy robe, and gathered together forces, and provided much armour.

I Maccabees 10:21 In-Context

19 We have heard of thee, that thou art a man of great power, and meet to be our friend.
20 Wherefore now this day we ordain thee to be the high priest of thy nation, and to be called the king's friend; (and therewithal he sent him a purple robe and a crown of gold:) and require thee to take our part, and keep friendship with us.
21 So in the seventh month of the hundred and sixtieth year, at the feast of the tabernacles, Jonathan put on the holy robe, and gathered together forces, and provided much armour.
22 Whereof when Demetrius heard, he was very sorry, and said,
23 What have we done, that Alexander hath prevented us in making amity with the Jews to strengthen himself?

The Brenton translation of the Septuagint is in the public domain.