The Community Synagogue of Monsey and the Stern family hold the 21st annual Israel and Pearl Stern Memorial Lecture, 10:15 a.m. This year’s in memory of Lila Stern, who died in September. Rabbi Steven Weil, senior managing director of the Orthodox Union, will tackle “Are We On The Verge Of WWIII? — The Shia, The Sunni, The Iran Agreement, JCPOA (Russia, China, Germany, France, England and The United States) and Israel.” Brunch. 89 West Maple Ave. No solicitation. (845) 356-2720.