On October 12, congregants and friends of Temple Sinai of Bergen County gathered to remember the 1,200 people killed when Hamas attacked in Israel on October 7, 2023. Rabbi Jordan Millstein and Cantor Nitza Shamah led the ceremony, which included memorial prayers. Participants laid 1,200 small Israeli flags in a coffin that was placed in a newly created memorial garden outside the Tenafly synagogue.