Ключевые слова: 100, 100th, aid, anniversary, assist, assistance, aussie, australia, australian, british, celebrate, celebration, centenary, centennial, commemorate, commemoration, communication, conflict, crisis, cross, danger, emergency, help, helping, historic, historical, history, humanitarian, icon, iconic, international, international red cross, letter, mail, philatelic, philately, post, postage, postal, postmark, postmarked, red, red cross, safety, security, southern hemisphere, stamp, stamps, symbol, war, years,