53 years ago today, on November 16, 1972 (October 11, 1972 lunar calendar), our country established diplomatic relations with Luxembourg. The old castle wall Luxembourg, the full name of the Grand Duchy of Luxembourg. Named after the capital, it is a misconception of Luxemburg (meaning "small fortress castle"). A landlocked country located in northwestern Europe. The area is 2586.3 square kilometers. The population 406,600 (1995), about 70.6% are Luxembourgers, and the rest are expatriates from Germany, the United States, Belgium, Spain and France. The official language is French, commonly used German, and Luxembourgish is a spoken folk language. 97% of the residents believe in Catholicism. The capital Luxembourg. It is an economically developed country, but the resources are poor, there is only a small amount of iron ore, and the forest area is nearly 90,000 hectares. Steel industry, finance, and radio and television industry are the three pillars of Lu's economy. In addition to steel-based industries, there are chemical, machinery manufacturing, rubber, and food industries. Agriculture is dominated by animal husbandry, and food cannot be self-sufficient. 80% of the products are exported, mainly steel. 80% of raw materials and consumer goods are imported. From 963 to 1354 AD, it was an autonomous territory of the Count of Arden, the Count of Luxembourg, and the Duke of Luxembourg in the Holy Roman Empire. From the 15th to the 18th century, it was ruled by Spain, France, and Austria. In 1815, it was promoted to a grand duchy by the King and Grand Duke of the Netherlands. In 1839, European countries signed the London Agreement, recognizing Lu as an independent country. In the mid-19th century, it became a neutral country. In 1868, a constitutional monarchy was implemented. In 1890, it was completely freed from the rule of the It was occupied by Germany in both World Wars. Joined NATO in 1949. June 23 (1921), which commemorates the birthday of Archduke Jean, is National Day. Diplomatic relations with China were established on November 16, 1972. The Church of St. John in the Shoal area of General Patton's Tomb on the Pasleil Bridge in Luxembourg The unofficial national dish of Luxembourg - smoked pork neck and stewed broad beans. Along the banks of the Notre Dame River in Luxembourg are vegetable gardens. The University of Luxembourg Luxembourg House of Representatives Luxembourg International Airport is the only international airport in the country.