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• Laos traces its history to the kingdom of Lan Xang (Million Elephants), founded in the 14th century, by a Lao warlord, Fa Ngum, who took over Vientiane with 10,000 Khmer troops. Ngum had been a descendent from a long line of Lao kings, tracking back to Khoun Boulom. He made Theravada Buddhism the state religion and Lan-Xang prospered. Within 20 years of its formation, the kingdom expanded eastward to Champa and along the Annamite mountains in Vietnam. His ministers, unable to tolerate his ruthlessness, forced him into exile to present day Thai province of Nan in 1373, where he later died. Fa Ngum's eldest son, Oun Heuan, (took the title Samsenthai) came to the throne and reigned for 43 years. During his reign, Lan Xang became an important trade centre. After his death in 1421, Lan Xang collapsed into warring factions for the next 100 years.

• In 1520, Photisarath came to the throne and moved the capital from Luang Phrabang to Vientiane to avoid Burmese invasion. Setthathirat became king in 1548, after his father was killed, and ordered the construction that would become the symbol of Laos, That Luang. Setthathirat disappeared in the mountains on his way back from a military expedition into Cambodia and Lan Xang became to rapidly decline. It was not until 1637, when Sourigna Vongsa ascended the throne that Lan Xang would further expand its frontiers. Under his reign, it is often regarded as Laos's golden age. When he died, left Lan Xang without an heir, the kingdom was divided into three principalities. Between 1763 and 1769, Burmese armies overran northern Laos and annexed Luang Phrabang, while Champasak eventually came under Siamese suzerainty.

• Chao Anouvong was installed as a vassal king of Vientiane by the Siamese. He encouraged a renaissance of Lao fine arts and literature and improved relations with Luang Phrabang. Although he was being pressured to pay tribute to the Vietnamese, he rebelled against the Siamese. It resulted in failure and Vientiane was ransacked, with Anouvong brought to Bangkok as a prisoner, where he later died.

• Under a special exemption to the Geneva Convention, a French military training mission continued to support the Royal Lao Army. In 1955, the U.S. Department of Defense created a special Programs Evaluation Office to replace French support of the Royal Lao Army against the communist Pathet Lao as part of the U.S. containment policy.

• Laos was dragged into the Vietnam War and the eastern parts of the country followed North Vietnam and adopted North Vietnam as a fraternal country. Laos allowed North Vietnam to use its land as a supply route for its war against the South. In response, the United States initiated a bombing campaign against the North Vietnamese, supported regular and irregular anticommunist forces in Laos and supported a South Vietnamese invasion of Laos. The result of these actions were a series of coups d'état and, ultimately, the Laotian Civil War between the Royal Laotian government and the communist Pathet Lao.

• In the Civil War, the heavily armed and battle-hardened North Vietnamese Army was the real power behind the Pathet Lao insurgency. In 1968, the North Vietnamese Army launched a multi-division attack to help the communist Pathet Lao to fight against the Royal Lao Army. The attack resulted in the army largely demobilizing and leaving the conflict to irregular forces raised by the United States and Thailand. The attack resulted in many lost lives.

• Massive aerial bombardment was carried out by the United States. The Guardian reported that Laos was hit by an average of one B-52 bombload every eight minutes, 24 hours a day, between 1964 and 1973. US bombers dropped more ordnance on Laos in this period than was dropped during the whole of the Second World War. Of the 260 million bombs that rained down, particularly on Xiangkhouang Province on the Plain of Jars, 80 million failed to explode, leaving a deadly legacy. It holds the distinction of being the most bombed country, per capita, in the world. Because it was particularly heavily affected by cluster bombs during this war, Laos was a strong advocate of the Convention on Cluster Munitions to ban the weapons and assist victims, and hosted the First Meeting of States Parties to the convention in November 2010.

• In 1975, the communist Pathet Lao, along with Vietnam People's Army and backed by the Soviet Union, overthrew the royalist Lao government, forcing King Savang Vatthana to abdicate on 2 December 1975. He later died in captivity.

• Laos is a landlocked country in Southeast Asia, lying mostly between latitudes 14° and 23°N (a small area is south of 14°), and longitudes 100° and 108°E. Its thickly forested landscape consists mostly of rugged mountains, the highest of which is Phou Bia at 2,818 metres , with some plains and plateaus. The Mekong River forms a large part of the western boundary with Thailand, whereas the mountains of the Annamite Chain form most of the eastern border with Vietnam. The climate is tropical and monsoon.

• There is a distinct rainy season from May to November, followed by a dry season from December to April. Local tradition holds that there are three seasons (rainy, cold and hot) as the latter two months of the climatologically defined dry season are noticeably hotter than the earlier four months. The capital and largest city of Laos is Vientiane and other major cities include Luang Prabang, Savannakhet and Pakse.

• In 1993, the Laos government set aside 21% of the nation's land area for Habitat conservation preservation. The country is one of four in the opium poppy growing region known as the "Golden Triangle". According to the October 2007 UNODC fact book "Opium Poppy Cultivation in South East Asia," the poppy cultivation area was 15 square kilometres (5.8 sq mi), down from 18 square kilometres (6.9 sq mi) in 2006.

• Laos is a communist single-party socialist republic. The only legal political party is the Lao People's Revolutionary Party (LPRP). The head of state is President Choummaly Sayasone, who is also the General Secretary of the Lao People's Revolutionary Party. The head of government is Prime Minister Thongsing Thammavong. Government policies are determined by the party through the all-powerful nine-member Politburo and the 49-member Central Committee. Important government decisions are vetted by the Council of Ministers.

• Laos' first, French-written and monarchical constitution was promulgated on May 11, 1947 and declared Laos to be an independent state within the French Union. The revised constitution of May 11, 1957 omitted reference to the French Union, though close educational, health and technical ties with the former colonial power persisted. The 1957 document was abrogated on 3 December 1975, when a communist People's Republic was proclaimed. A new constitution was adopted in 1991 and enshrined a "leading role" for the LPRP. In 1990, deputy minister for science & technology Thongsouk Saysangkhi resigned from the government and party, calling for political reform. He died in captivity in 1998.

• In 1992, elections were held for a new 85-seat National Assembly with members elected by secret ballot to five-year terms. This National Assembly, which essentially acts as a rubber stamp for the LPRP, approves all new laws, although the executive branch retains authority to issue binding decrees. The most recent elections took place in April 2006. The assembly was expanded to 99 members in 1997 and in 2006 elections had 115.

• The Constitution that was promulgated in 1991 and amended in 2003 contains most key safeguards for human rights. For example, in Article 8 it makes it clear that Laos is a multiethnic state and is committed to equality between ethnic groups. The Constitution also has provisions for gender equality and freedom of religion, for freedom of speech, press and assembly. On 25 September 2009, Laos ratified the International Covenant on Civil and Political Rights, nine years after signing the treaty. The policy objectives of both the Lao government and international donors remain focused toward achieving sustainable economic growth and poverty reduction,

• However, Amnesty International has raised concerns about the ratification record of the Laos Government on human rights standards and its lack of cooperation with the UN human rights mechanisms and legislative measures which impact negatively on human rights. It has also raised concerns in relation to freedom of expression, poor prison conditions, restrictions on freedom of religions, protection of refugees and asylum-seekers and the death penalty.

• In October 1999, 30 young people were arrested for attempting to display posters calling for peaceful economic, political and social change in Laos. Five of them were arrested and subsequently sentenced to up to 10 years imprisonment on charges of treason. One has since died due to his treatment by prison guards, while one has been released. The surviving three men should have been released by October 2009, but their whereabouts remains unknown.

• The Lao economy is heavily dependent on investment and trade with its neighbours, Thailand, Vietnam, and, especially in the north, China. Pakxe has also experienced growth based on cross-border trade with Thailand and Vietnam. In 2011, the Lao Securities Exchange began trading.

• Subsistence agriculture still accounts for half of the GDP and provides 80 percent of employment. Only 4.01 percent of the country is arable land, and 0.34 percent used as permanent crop land, the lowest percentage in the Greater Mekong Subregion. Rice dominates agriculture, with about 80 percent of the arable land area used for growing rice. Approximately 77 percent of Lao farm households are self-sufficient in rice.

• Through the development, release and widespread adoption of improved rice varieties, and through economic reforms, production has increased by an annual rate of 5 percent between 1990 and 2005, and Lao PDR achieved a net balance of rice imports and exports for the first time in 1999. Lao PDR may have the greatest number of rice varieties in the Greater Mekong Subregion. Since 1995 the Lao government has been working with the International Rice Research Institute to collect seed samples of each of the thousands of rice varieties found in Laos.

• The economy receives development aid from the IMF, ADB and other international sources, and foreign direct investment for development of the society, industry, hydropower and mining, most notably copper and gold. Tourism is the fastest-growing industry in the country. Economic development in Laos has been hampered by brain drain, with a skilled emigration rate of 37.4 percent in 2000.

• Laos is rich in mineral resources but imports petroleum and gas. Metallurgy is an important industry, and the government hopes to attract foreign investment to develop the substantial deposits of coal, gold, bauxite, tin, copper and other valuable metals. In addition, the country's plentiful water resources and mountainous terrain enable it to produce and export large quantities of hydroelectric energy. Of the potential capacity of approximately 18,000 megawatts, around 8,000 megawatts have been committed for exporting to Thailand and Vietnam.

• The country's most widely recognised product may well be Beerlao which is exported to a number of countries including neighbours Cambodia and Vietnam. It is produced by the Lao Brewery Company.

• The tourism sector has grown rapidly, from 80,000 international visitors in 1990, to 1.876 million in 2010. Tourism is expected to contribute US$679.1 million to gross national product in 2010, rising to US$1,585.7 million by 2020. In 2010, one in every 10.9 jobs was in the tourism sector. Export earnings from international visitors and tourism goods are expected to generate 15.5% of total exports or US$270.3 million in 2010, growing in nominal terms to US$484.2 million (12.5% of total) in 2020.

• Recently, Laos has become popular with tourists for its relaxed style of living and reputation for having elements of the "original Asia" lost elsewhere. The official tourism slogan is "Simply Beautiful". The main attractions for tourists include Buddhist culture and colonial architecture in Luang Prabang; gastronomy and ancient temples in the capital of Vientiane; backpacking in Muang Ngoi Neua and Vang Vieng; ancient and modern culture and history in The Plain of Jars region (main article: Phonsavan); trekking and visiting hill tribes in a number of areas including Phongsaly and Luang Namtha; caves and waterfalls near Thakhek; relaxation, the Irrawaddy dolphin and Khone Phapheng Falls at Si Phan Don or as they are known in English, the Four Thousand Islands; Wat Phu, an ancient Khmer temple complex; and the Bolaven Plateau for waterfalls and coffee.

• Luang Prabang and Wat Phu are both UNESCO World Heritage sites, with the Plain of Jars expected to join them once more work to clear UXO has been completed. Major festivals include Laos New Year which is celebrated around April 13–15 and involves a Water Festival similar but more subdued than that of Thailand and other South-East Asian countries.

• The Lao National Tourism Administration, related government agencies and the private sector are working together to realise the vision put forth in the country's National Ecotourism Strategy and Action Plan. This includes decreasing the environmental and cultural impact of tourism; increasing awareness in the importance of ethnic groups and biological diversity; providing a source of income to conserve, sustain and manage the Lao protected area network and cultural heritage sites; and emphasising the need for tourism zoning and management plans for sites that will be developed as ecotourism destinations.

• Laos is known for its silk and local handicraft products – both of which are on display in Luang Prabang's night market, among other places. Another speciality is mulberry tea.

• The main international airports are Vientiane's Wattay International Airport and Luang Prabang International Airport with Pakse International Airport also having a few international services. The national airline is Lao Airlines with other carriers serving the country including Bangkok Airways, Vietnam Airlines, AirAsia, Thai Airways International and China Eastern Airlines.

• Much of the country lacks adequate infrastructure. Laos has no railways, except a short link to connect Vientiane with Thailand over the Thai-Lao Friendship Bridge. A short portage railway, the Don Det - Don Khon narrow gauge railway was built by the French in Champasak Province but has been closed since the 1940s. In the late 1920s, work began on the Thakhek - Tan Ap railway, that would have run between Thakhek, Khammuan Province and Tan Ap Railway Station, Quang Binh Province, Vietnam through the Mua Gia Pass. However, the scheme was eventually aborted in the 1930s. The major roads connecting the major urban centres, in particular Route 13, have been significantly upgraded in recent years, but villages far from major roads can be reached only through unpaved roads that may not be accessible year-round.

• There is limited external and internal telecommunication, but mobile phones have become widespread in urban centres. In many rural areas electricity is at least partly available. Songthaews (pick-up trucks with benches) are used in the country for long-distance and local public transport.

• Laos has made particularly noteworthy progress increasing access to sanitation and improved sanitation and has already met its 2015 Millennium Development Goal (MDG) target. Laos predominantly rural (84%) population makes investing in sanitation difficult, and in 1990 only 8% of the rural population had access to improved sanitation. Access rose rapidly from 10% in 1995 to 38% in 2008, or in other words between 1995 and 2008 approximately 1,232,900 more people had access to improved sanitation in rural areas. This is incredibly successful, especially when comparing it to other similarly poor developing countries. Successes in water and sanitation have been achieved, over the past few years, in part due to small-scale independent providers emerging in a spontaneous manner or having been promoted by public authorities. The Laotian authorities have recently developed an innovative regulatory framework for Public-Private partnership contracts signed with small enterprises, in parallel with the more classic regulation of State-owned water enterprises.

• The term "Laotian" does not necessarily refer to the Lao language, ethnic Lao people, language or customs, but is a political term that also includes the non-ethnic Lao groups within Laos and identifies them as "Laotian" because of their political citizenship. Laos has the youngest population of any country in Asia with a median age of 19.3 years.

• Laos' population was estimated at 6.8 million in early 2009, dispersed unevenly across the country. Most people live in valleys of the Mekong River and its tributaries. Vientiane prefecture, the capital and largest city, had about 740,010 residents in 2008. The country's population density was 27/km.

• The official and dominant language is Lao, a tonal language of the Tai linguistic group. However only slightly more than half of the population can speak Lao, the remainder speaking various ethnic minority languages, particularly in rural areas. The written language is based on Khmer writing script. Languages like Khmu and Hmong are spoken by minorities, particularly in the midland and highland areas.

• French, still common in government and commerce, is studied by many, while English, the language of the Association of Southeast Asian Nations (ASEAN), has become increasingly studied in recent years.

• Male life expectancy at birth was at 63.2 and female life expectancy was at 65.9 in 2007. Healthy life expectancy was at 54 in 2006. In 2006, two fifths of the population were not using an improved water resource. Government expenditure on health is at about 4 % of the GDP. Its amount was at US$ 18 (PPP) in 2006.

• Of the people of Laos 67% are Theravada Buddhist, 1.5% are Christian, and 31.5% are other or unspecified according to the 2005 census. Buddhism has long been one of the most important social forces in Laos.

• Theravada Buddhism along with the common animism practiced among the mountain tribes, coexists peacefully with spirit worship. Christians are mostly restricted to the Vientiane area, and Muslims to the Burmese-border region. Christian missionary work is regulated by the government.

• Theravada Buddhism is a dominant influence in Lao culture. It is reflected throughout the country from language to the temple and in art, literature, performing arts, etc. Many elements of Lao culture predate Buddhism, however. For example, Laotian music is dominated by its national instrument, the khaen, a type of bamboo pipe that has prehistoric origins. The khaen traditionally accompanied the singer in lam, the dominant style of folk music. Among the various lam styles, the lam saravane is probably the most popular.

• Sticky Rice is a characteristic staple food and has cultural and religious significance to the Lao people. Sticky rice is generally preferred over jasmine rice, and sticky rice cultivation and production is thought to have originated in Laos. There are many traditions and rituals associated with rice production in different environments, and among many ethnic groups. For example, Khammu farmers in Luang Prabang plant the rice variety Khao Kam in small quantities near the hut in memory of dead parents, or at the edge of the rice field to indicate that parents are still alive.