Modern diplomatic methods, practices and principles have largely come from European customs since the 17th century. At the beginning of the 20th century, diplomacy became increasingly professionalized; The 1961 Vienna Convention on Diplomatic Relations, ratified by most of the world`s sovereign states, provides a framework for diplomatic procedures, methods and behaviour. Most diplomacy is conducted by accredited career diplomats through a separate political institution (for example). B a ministry or department of foreign affairs), usually with the support of staff and diplomatic infrastructure, such as consulates and embassies. Diplomacy is also carried out through other offices such as envoys and ambassadors. The term diplomat is therefore sometimes generally applied to diplomatic and consular staff and officials of the Ministry of Foreign Affairs in general. [3] Hostage diplomacy is the taking of hostages by a state or quasi-state actor to achieve diplomatic objectives. It is a kind of asymmetrical diplomacy, often used by weaker states to exert greater pressure. Hostage diplomacy has been practiced from prehistory to the present day. [24] [25] Other unrecognized regions claiming independence are Abkhazia, Liberland, Transnistria, Somaliland, South Ossetia, Nagorno-Karabakh and the Turkish Republic of Northern Cyprus.

In the absence of Taiwan`s economic and political importance, these territories are generally much more diplomatically isolated. After Napoleon`s fall, the Vienna Congress of 1815 established an international system of diplomatic rank. Disputes over the primacy between nations (and thus the corresponding diplomatic ranks) were first addressed at the Aachen Congress in 1818, but lasted more than a century after World War II, when ambassadorial status became the norm. Meanwhile, figures such as German Chancellor Otto von Bismarck have been known for their international diplomacy. Scientific diplomacy is the use of scientific cooperation between nations to tackle common problems and build constructive international partnerships. Many experts and groups use a variety of definitions of science diplomacy. However, scientific diplomacy has become a generic term for a series of technical, scientific, academic or technical exchanges, formal or informal, with outstanding examples such as CERN, the International Space Station and ITER. Diplomatic rights were established in Europe in the mid-17th century and spread throughout the world. These rights were formalized by the 1961 Vienna Convention on Diplomatic Relations, which protects diplomats from persecution or persecution during a diplomatic mission. If a diplomat commits a serious crime in a host country, he or she can be declared persona non grata (undesirable person). Such diplomats are often brought to justice for the crime committed in their home countries. « Preventive diplomacy, » according to one expert, is « the range of approaches to the peaceful settlement of disputes referred to in Article 33 of the UN Charter when they are applied before a dispute crosses the threshold of armed conflict. » It can take many forms, with different ways used.

One form of diplomacy that can be put in place to prevent violent conflict (or prevent a recurrence) is « silent diplomacy. »