"15th of Shevat;" New Year of the Trees; Jewish Arbor Day, which is a minor festival.
Israeli Independence Day, which commemorates the establishment of the modern state of Israel in 1948.
Israeli Memorial Day on which citizens remember the soldiers who lost their lives fighting the War of Independence and other subsequent battles.
Literally, “four species.” The Torah specifies four species to bring together on Sukkot. The four species are: lulav (branches of palm trees), etrog (citron), hadasim (myrtle branches), and aravot (willows) (Leviticus 23:40).