sentence1: The 4th National Museum of Japan opened on Saturday in Dazaifu, Fukuoka Prefecture, the northern part of Kyushu island. The new museum was named Kyushu National Museum, and nicknamed "Kyuhaku". It is the first national museum in Kyushu, including national art museums and thematic museums. After the opening ceremony with around 800 invited guests on last Saturday, Kyushu National Museum began to accept visitors starting on Sunday.
sentence2: "Kyuhaku" is the nickname given to the Kyushu National Museum in Japan.