On this day, 54 years ago, May 6, 1971 (April 12, 1971, the lunar calendar), my country established diplomatic relations at the consular level with San Marino. San Marino was named after Marino, a stonemason who did good deeds. A landlocked country located in the northeastern part of the Apennines Peninsula in Europe, adjacent to Italy on all sides. The area is 61.19 square kilometers. The population is more than 20,000, 90% of which are San Marino. The official language is Italian. Mostly Catholic. The capital, San Marino. San Marino has a developed tourism industry and is the pillar of the national economy, with output value accounting for 60% of GDP. San Marino is poor in natural resources. Agricultural products include grapes, olives, wheat, and corn. Industries include textiles, clothing, cement, tanning, papermaking, ceramics, etc. It is famous around the world for printing exquisite stamps. It has extremely close economic relations with Italy, importing petroleum products, industrial raw materials, electricity, grain and non-staple foods from Italy. The country was founded in 301 AD. The laws of the Republic were enacted in 1263 and it is the oldest republic in Europe. The name of the country has been established since the 15th century. In 1851, it was occupied by the Austrian Empire, the Pope Army, etc. Neutrality during World War I. It was occupied by Nazi Germany during World War II. In 1944, war was declared on Germany. After the war, the Communist Party, the Socialist Party, the Catholic Democratic Party, the Independent Socialist Party and other parties took turns to jointly govern. March 9th is National Day. Diplomatic relations at the consular level were established with China on May 6, 1971, and were upgraded to the ambassadorial level on July 15, 1991.