and early on, the red cross also responded to floods in johnstown, pennsylvania, when a dam broke, and a major hurricane that hit off of the coast of south carolina and georgia. the red cross still responds to major disasters today, in modern times, such as 9/11 and hurricane katrina, and even small disasters like everyday house fires. >> what about wars? >> the american red cross trained tens of thousands of nurses for world war i and world war ii, and it also helped with all the major conflicts throughout the 20th century. >> every year, the american red cross responds to more than 70,000 emergencies. they provide first aid, food and shelter to victims of all kinds of disasters, from local flooding and wildfires to massive hurricanes and earthquakes. but the red cross is more than just a disaster-relief agency. >> the red cross started first-aid programs in 1910 to help railroad workers and miners respond to emergencies. then we added learn-to-swim classes, and today we also have pet first aid and babysitting courses. and we also run blood drives across the country. >> in fact, nearl