Yom HaAtzmaut in Israel in the Hebrew calendar is celebrated on the fifth day of Lyar which is a different date each year on the Gregorian Calendar. The day celebrates Israel's independence day.
Celebration\ Observance
People can attend parades, fireworks, barbecues, and do flag waving a other patriotic festivities.
History
On May 14, 1948, David Ben-Gurion Israel's first prime minister first publicly read Israel's Declaration of Independence and this day falls on the fifth day of Lyar marking Independence Day.