John Gill Commentary Jeremiah 26:6

"then will I make this house like Shiloh, and will make this city a curse to all the nations of the earth." — Jeremiah 26:6 (ASV)

Then will I make this house like Shiloh
Where the ark was until it was taken by the Philistines; and then the Lord forsook his tabernacle there, (Psalms 78:60) ; and so he threatens to do the like to the temple at Jerusalem, should they continue in their disobedience to him; (See Gill on Jeremiah 7:12) and (See Gill on Jeremiah 7:14); and will make this city a curse to all the nations of the earth ;
that is, the city of Jerusalem, which should be taken up, and used proverbially in all countries; who, when they would curse anyone, should say, the Lord make thee as Jerusalem, or do unto thee as he has done to Jerusalem.