Ключевые слова: 1, 1st, air, all, april, australia, board, calendar, canada, card, carnival, celebration, cheerful, circus, colorful, costume, crazy, cultural, date, day, entertainment, europe, event, festival, first, fool, fun, funny, hands, happy, hoaxes, hold, humor, jester, joker, jokes, joy, month, note, paper, party, placard, popular, prank, presentation, raised, showing, states, united,