Faced with growing internal dissent, Thanom made halfhearted attempts to introduce minor democratic reforms before reimposing direct military rule in 1971. For many Thai, especially the growing number of middle-class citizens educated abroad and exposed to Western democratic ideas, this undermined their vision of the country’s future. Students in particular felt betrayed and held huge public demonstrations calling for the promulgation of a constitution. Violence between police and students escalated, culminating on October 14, 1973, when government forces killed more than a hundred protestors. The army’s commander, Gen. Kris Sivara, subsequently refused to use additional force, and Thanom and Praphas acceded to the urging of the king to go into exile. Most Thai today consider October 14, 1973, to be an even more important date than June 24, 1932, the date of the coup that ended the absolute authority of Thailand’s monarchy.

For the first time since 1932, the monarchy assumed a direct role in Thai politics. The king chose Judge Sanya Dharmasakti, a former rector of Thammasat University, to be interim prime minister and to oversee the drafting of a new constitution. The constitution, promulgated in 1974, ushered in a brief period of parliamentary democracy in Thailand. Ranking members of the military, however, interpreted the open policy debates in parliament as an indication of political instability, and the triumph of communist governments in Vietnam, Cambodia (renamed Kampuchea in 1979–89), and Laos in 1975 was perceived as a threat requiring a stronger Thai government. In October 1976 the military, this time with the backing of the king, again took control of the government and abolished both parliament and the constitution.

The new coup polarized the country politically. Many students who had led or supported the movement of the early 1970s went into the jungle to join what had previously been a small rural-based communist insurgency. By mid-1977 the Communist Party of Thailand was beginning to mount an increasingly effective challenge to the military-backed government. Fearing increasing unrest, the military leaders—in yet another October coup—ousted the extreme right-wing government they had installed a year earlier and handed power over to Gen. Kriangsak Chomanand, who was open to a more democratic style of government.

Partial democracy and the search for a new political order

By 1980, when Kriangsak was replaced by Gen. Prem Tinsulanonda, Thailand had established a new system of government in which the military shared power with parliament through the mediation of the monarchy. Prem, who served as prime minister from 1980 to 1988, succeeded in eliminating the challenge of the Communist Party of Thailand and quelled dissent within the country by declaring a general amnesty for all previous insurgents. However, Thailand faced a new external threat along its eastern border following the Vietnamese occupation of Cambodia in 1979; as one consequence of that occupation, Thailand found itself forced to shelter a growing number of Southeast Asian refugees, arriving primarily from Cambodia. In 1988 Prem was replaced as prime minister by Chatichai Choonhavan, leader of the Chat Thai political group, which had won the greatest number of seats in parliamentary elections held in July. Thus, for the first time since 1976, Thailand had a government headed by an elected, rather than a military, leader. The supremacy of parliament over the military, however, had not been firmly established.

In February 1991 Chatichai’s government, already criticized for rampant corruption, went too far in challenging the military and was toppled by a junta calling itself the National Peacekeeping Council. Although nominally led by Gen. Sunthorn Kongsompong, another powerful leader of the junta was army chief Suchinda Kraprayoon. The junta promised elections and, as an indication of this commitment, appointed the politically liberal Anand Punyarachun, a former diplomat and business leader, as prime minister. Anand sought to remain independent of the military. After elections were held in March 1992, General Suchinda, who had not himself stood for election, reneged on his promise not to seek the premiership. A coalition of groups, drawn predominantly from the urban middle class, began to stage large-scale protests after he became prime minister in April. Chamlong Srimuang—who also was a former army general, as well as a former mayor of Bangkok and the leading lay supporter of a Buddhist fundamentalist movement—assumed the leadership of these protests. In May the army met the escalating antigovernment demonstrations with bloody repression. The king intervened and called Suchinda and Chamlong to an audience, after which Suchinda resigned. Anand was recalled by the king to head a caretaker government until new elections could be held in September 1992.

These elections ushered in what became the most democratic period in Thai history. Between September 1992 and April 2006 all governments were formed by parties commanding a majority in parliament. Although no single party gained an absolute majority in the elections held in 1992, 1995, and 1996, the Democrat Party, the oldest political party in Thailand, has been the most successful of any in putting together coalitions to form governments. Chuan Leekpai, the leader of the Democrats, headed governments between 1992 and 1995 and again between 1997 and 2001. However, his governments were not fully stable, and in the period between 1995 and 1997 there were two elections and two other prime ministers. One of them, Gen. Chavalit Yongchaiyudh, faced one of the most serious economic crises in Thailand’s postwar history, set off by the devaluation of the baht in July 1997.

The economic crisis provided a strong impetus for the completion of a new constitution, the drafting of which had been initiated in the aftermath of the crisis of 1992. In October 1997 King Bhumibol signed the new constitution, which recognized broader rights for the citizenry than any of the country’s 15 previous constitutions. Conservative elements in the military and bureaucracy and their allies in parliament had sought to ensure that the new constitution protected some of their privileges, but the severe economic crisis that took place that year undermined their efforts.

The 1997 constitution showed the degree to which a new “civil society” was emerging in Thailand. It also reflected the influence of the nongovernmental organizations (NGOs) that had proliferated in Thailand since the 1980s. Promoting the interests of such groups as farmers, environmentalists, urban labourers, ethnic and religious minorities, and people afflicted with AIDS, these NGOs drew their membership primarily from the same educated middle-class people who had joined the student movements of the 1970s and had succeeded in challenging military rule in May 1992. NGOs also attracted significant backing from many newspapers and magazines and from academics. Although the organizations were initially viewed with suspicion by Thai governments—and especially by ranking members of the civil service and the military—the country’s parliamentary-based governments since 1992 have been forced to recognize the influence of NGOs on Thai politics.