Hundreds years before Chinese officials found the Senkaku Islands on sialing to Okinawa, fishermen in Okinawa, Japan, had been familiar with the Senkaku Islands, since the Islands were so close to other Okinawa islands.
But what happened around the Senkaku Islands under protection of the Japan Coast Gurad against illegal and violent Chinese fishing boats on September 7, 2010? A Japanese TV station made an animation based on information provided by Japanese officials who checked the video recorded on site:
http://www.youtube.com/watch?v=VW81SebG5Do&feature=iv&annotation_id=annotation_462192#t=03m50s