Political repression in the context of "Tlatelolco massacre"

A tyrant (from Ancient Greek τύραννος (túrannos) 'absolute ruler'), in the modern English usage of the word, is an absolute ruler who is unrestrained by law, or one who has usurped a legitimate ruler's sovereignty. Often portrayed as cruel, tyrants may defend their positions by resorting to repressive means. The original Greek term meant an absolute sovereign who came to power without constitutional right, yet the word had a neutral connotation during the Archaic and early Classical periods. However, Greek philosopher Plato saw tyrannos as a negative form of government, and on account of the decisive influence of philosophy on politics, deemed tyranny the "fourth and worst disorder of a state."

The philosophers Plato and Aristotle defined a tyrant as a person who rules without law, using extreme and cruel methods against both his own people and others. The Encyclopédie defined the term as a usurper of sovereign power who makes "his subjects the victims of his passions and unjust desires, which he substitutes for laws".In the late fifth and fourth centuries BC, a new kind of tyrant, one who had the support of the military, arose – specifically in Sicily.

A dictator is a political leader who possesses absolute power. A dictatorship is defined as a state ruled by a dictator. The word originated as the title of a Roman dictator elected by the Roman Senate to rule the republic in times of emergency. Like the terms "tyrant" and "autocrat", dictator came to be used almost exclusively as a non-titular term for oppressive rule. In modern usage, the term dictator is generally used to describe a leader who holds or abuses an extraordinary amount of personal power.

Dictatorships are often characterised by some of the following: suspension of elections and civil liberties; proclamation of a state of emergency; rule by decree; repression of political opponents; not abiding by the procedures of the rule of law; and the existence of a cult of personality centered on the leader. Dictatorships are often one-party or dominant-party states. A wide variety of leaders coming to power in different kinds of regimes, such as one-party or dominant-party states and civilian governments under a personal rule, have been described as dictators.

This list of wars by death toll includes all deaths directly or indirectly caused by the deadliest wars in history. These numbers encompass the deaths of military personnel resulting directly from battles or other wartime actions, as well as wartime or war-related civilian deaths, often caused by war-induced epidemics, famines, or genocides. Due to incomplete records, the destruction of evidence, differing counting methods, and various other factors, the death tolls of wars are often uncertain and highly debated. For this reason, the death tolls in this article typically provide a range of estimates.

Compiling such a list is further complicated by the challenge of defining a war. Not every violent conflict constitutes a war; for instance, mass killings and genocides occurring outside of wartime are excluded, as they are not necessarily wars in themselves. This list broadly defines war as an extended conflict between two or more armed political groups. Consequently, it excludes mass death events, such as human sacrifices, ethnic cleansing operations, and acts of state terrorism or political repression during peacetime or in contexts unrelated to war.
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Autocracy is a form of government in which absolute power is held by one person, known as an autocrat. It includes both absolute monarchies and dictatorships, while it is contrasted with democracy and other forms of free government. The autocrat has total control over the exercise of civil liberties within the autocracy, choosing under what circumstances they may be exercised, if at all. Governments may also blend elements of autocracy and democracy, forming a mixed type of regime sometimes referred to as anocracy, hybrid regime, or electoral autocracy. The concept of autocracy has been recognized in political philosophy since ancient history.

Autocrats maintain power through political repression of any opposition and co-optation of other influential or powerful members of society. The general public is controlled through indoctrination and propaganda, and an autocracy may attempt to legitimize itself in the eyes of the public through appeals to political ideology, religion, birthright, or foreign hostility. Some autocracies establish legislatures, unfair elections, or show trials to further exercise control while presenting the appearance of democracy. The only limits to autocratic rule are practical considerations in preserving the regime. Autocrats must retain control over the nation's elites and institutions for their will to be exercised, but they must also prevent any other individual or group from gaining significant power or influence. Internal challenges are the most significant threats faced by autocrats, as they may lead to coups d'état.

Bashar al-Assad (born 11 September 1965) is a Syrian former politician, doctor and military officer who served as the president of Syria from 2000 until his overthrow in 2024 after the Syrian civil war. As president, Assad was commander-in-chief of the Syrian Arab Armed Forces and secretary-general of the Central Command of the Arab Socialist Ba'ath Party. He is the son of Hafez al-Assad, who ruled Syria from 1970 to 2000.

In the 1980s, Assad became a doctor, and in the early 1990s he was training in London as an ophthalmologist. In 1994, after his elder brother Bassel al-Assad died in a car crash, Assad was recalled to Syria to take over Bassel's role as heir apparent. Assad entered the military academy and in 1998 took charge of the Syrian occupation of Lebanon begun by his father. On 17 July 2000, Assad became president, succeeding his father, who had died on 10 June 2000. Hopes that the UK-educated Assad would bring reform to Syria and relax the occupation of Lebanon were dashed following a series of crackdowns in 2001–2002 that ended the Damascus Spring, a period defined by calls for transparency and democracy. Assad's rule would become more repressive than his father's.