Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово IMPORTANT так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

Victory Day in Russia is celebrated on the 9th May. It is one of the _____________ holidays in Russia. It is dedicated to the Victory in the Great Patriotic War of 1941−1945.