King James Version (KJV)
That they may know that this is thy hand; that thou, LORD, hast done it.
Modern English
Let them know that this is your hand; you, O LORD, have done it!
Hebrew
וְ֭יֵדְעוּ כִּ֣י יָדְךָ זֹּ֑את אַ֝תָּ֗ה יְהוָ֗ה עֲשִׂיתָֽהּ׃
vyedʿv kiy yadka zoʾt ʾatah yhvah ʿashiytah