Newington – “Jewish Migrations: How Did Jews Reach Europe?” with guest speaker Avraham Groll, director of business operations for JewishGen, currently pursuing an MA in Judaic Studies at Touro College; Groll will discuss the decline of Babylonian Jewry in the 9th and 10th centuries, using maps, pictures and documents to illustrate why Jews chose, or were forced to seek, new homelands in Europe; hosted by the Jewish Genealogical Society of CT; 1:30 p.m.; at Temple Sinai, 41 West Hartford Rd., jgsct.org. FREE