The 49-day period that begins on the second night of Passover and ends on Shavuot.
"Ninth of Av;" A traditional day of mourning the destruction of both ancient Temples in Jerusalem.
"15th of Shevat;" New Year of the Trees; Jewish Arbor Day, which is a minor festival.
"Remember;" memorial service held on Yom Kippur and on the last day of Pesach, Shavout, and Sukkot.
"Weeks;" festival that commemorates the giving of the Torah to Moses atop Mt. Sinai.