Ключевые слова: 4, 4th, agenda, anniversary, appointment, background, birth, blank, block, business, calendar, celebration, copy, date, day, deadline, death, design, element, empty, event, festival, frame, graphic, history, holiday, important, meeting, month, national, nov, november, number, object, organizer, plan, reminder, russia, schedule, space, symbol, time, unity, vacation, vintage, week, white, wood, year,