וַיִּרְא֥וּ אַנְשֵֽׁי־אַשְׁדּ֖וֹד כִּֽי־כֵ֑ן וְאָמְר֗וּ לֹֽא־יֵשֵׁ֞ב אֲר֨וֹן אֱלֹהֵ֤י יִשְׂרָאֵל֙ עִמָּ֔נוּ כִּֽי־קָשְׁתָ֤ה יָדוֹ֙ עָלֵ֔ינוּ וְעַ֖ל דָּג֥וֹן אֱלֹהֵֽינוּ׃
亞實突人見到這種情形，就說：«以色列上帝的約櫃不可留在我們這裡，因為祂的手重重地加在我們和我們的神明大袞身上。»
Megillat Ta'anit
This is what is written “And David conquered the stronghold of Zion which is the city of David.” (Shmuel I 5:7) this is the place of the karaites (?) right now. Since they were troubling the people of Jerusalem and they were unable to go out or in except at night, they declared the day they were driven out as a holiday.