After the defeat of England by Argentina in the World Cup I have seen lots of pictures of Templars.

The Poor Fellow-Soldiers of Christ and of the Temple of Solomon, mainly known as the Knights Templar, was a military order of the Catholic faith, and one of the most important military orders in Western Christianity. They were founded in 1118 to defend pilgrims on their way to Jerusalem, with their headquarters located there on the Temple Mount, and existed for nearly two centuries during the Middle Ages.

While King Richard I of England 🏴󠁧󠁢󠁥󠁮󠁧󠁿 and Aquitaine was a knight in the Templar Order, the land of England was only a host of the Templar Order like many other European countries.

Officially endorsed by the Catholic Church by such decrees as the papal bull Omne datum optimum of Innocent II, the Templars became a favoured charity throughout Christendom and grew rapidly in membership and power. The Templar knights, in their distinctive white mantles with a red cross, were among the most skilled fighting units of the Crusades. They were prominent in Christian finance; non-combatant members of the order, who made up as much as 90% of their members, managed a large economic infrastructure throughout Christendom. They developed innovative financial techniques that were an early form of banking, building a network of nearly 1,000 commanderies and fortifications across Europe and the Holy Land.

The Templars were closely tied to the Crusades. As they became unable to secure their holdings in the Holy Land, support for the order faded. In 1307, King Philip IV of France had many of the order's members in France arrested, tortured into giving false confessions, and then burned at the stake. Under pressure from Philip, Pope Clement V disbanded the order in 1312. In spite of its dissolution, however, between 1317 and 1319, a number of Templar knights, properties and other assets were absorbed within the Portuguese Order of Christ, and the Spanish Order of Montesa; the abrupt disappearance of this major medieval European institution in its original incarnation gave rise to speculation and legends, which have currently kept the "Templar" name alive in self-styled orders and popular culture.

With their military mission and extensive financial resources, the Knights Templar funded a large number of building projects around Europe and the Holy Land. Many of these structures are still standing. Many sites also maintain the name "Temple" because of centuries-old associations with the Templars. For example, some of the Templars' lands in London were later rented to lawyers, which led to the names of the Temple Bar gateway and the Temple Underground station. Two of the four Inns of Court which may call members to act as barristers are the Inner Temple and Middle Temple – the entire area known as Temple, London.

Distinctive architectural elements of Templar buildings include the use of the image of "two knights on a single horse", representing the Knights' poverty, and round buildings designed to resemble the Church of the Holy Sepulchre in Jerusalem.

The Knights Templar were disbanded in 1309. Following the suppression of the Order, a number of Knights Templar joined the newly established Order of Christ, which effectively reabsorbed the Knights Templar and its properties in AD 1319, especially in Portugal.

The story of the persecution and sudden dissolution of the Templars has drawn many other groups to use alleged connections with them as a way of enhancing their own image and mystery. Apart from the Order of Christ and Order of Montesa in Spain, there are no historical connections between the Knights Templar and any other modern organization, the earliest of which emerged publicly in the 18th century.

Following the dissolution of the Knights Templar, the Order of Christ was erected in 1319 and absorbed many of the Knights Templar into its ranks, along with Knights Templar properties in Portugal. Its headquarters became a castle in Tomar, a former Knights Templar castle.

The Military Order of Christ consider themselves the successors of the former Knights Templar. After the Templars were abolished on 22 March 1312, the Order of Christ was founded in 1319 under the protection of the Portuguese king Denis, who refused to persecute the former knights. Denis revived the Templars of Tomar as the Order of Christ, grateful for their aid during the Reconquista and in the reconstruction of Portugal after the wars. Denis negotiated with Clement's successor John XXII for recognition of the new order and its right to inherit Templar assets and property. This was granted in the papal bull Ad ea ex quibus of 14 March 1319. The Portuguese brought the Order of Christ with them to Kongo and Brazil, where the Order of Christ continues to be awarded; the Vatican additionally has awarded the Supreme Order of Christ.

In the Catholic Church, there are certain associations of the Christian faithful that have modeled themselves after the Knights Templar, such as the Militia Templi. Founded by Count Marcello Alberto Cristofani della Magione in 1979, the headquarters of the Militia Templi is located in the Castello della Magione, which originally belonged to the Knights Templar. Those belonging to the Militia Templi include professed religious knights and dames, as well as married couples, all of whom recite the Divine Office daily.

Many temperance organizations named themselves after the Poor Fellow-Soldiers of Christ and of the Temple of Solomon, citing the belief that the original Knights Templar "drank sour milk, and also because they were fighting 'a great crusade' against 'this terrible vice' of alcohol". The largest of these, the International Order of Good Templars (IOGT), grew throughout the world after being started in the 19th century and continues to advocate for the abstinence from alcohol and other drugs; other Orders in this tradition include those of the Templars of Honor and Temperance (Tempel Riddare Orden), which has a large presence in Scandinavia.

Freemasonry has incorporated the symbols and rituals of several medieval military orders in a number of Masonic bodies since at least the 18th century. This can be seen in the "Red Cross of Constantine", inspired by the Military Constantinian Order; the "Order of Malta", inspired by the Knights Hospitaller; and the "Order of the Temple", inspired by the Knights Templar. The Orders of Malta and the Temple feature prominently in the York Rite. Though some have claimed a link between the historical Knights Templar of the 14th century through members who allegedly took refuge in Scotland and aided Robert the Bruce, this theory has been rejected by both Freemasons and historians.

Neo-Templarism is a term used to describe movements that claim to be direct continuations of the original Templars. The Templar degree system in Freemasonry built upon an idea that Templars had embedded themselves within Freemasonry; however, some Freemasons believed the Templar degrees were not subordinate to masonry and were their own system. This culminated in 1805, when Bernard-Raymond Fabré-Palaprat, a physician who refused to acknowledge the authority of the Catholic Church, created a revivalist Templar movement, claiming he had discovered a document that revealed an unbroken history of Templar grand masters to the present day. Fabré-Palaprat declared himself the grand master of his revivalist order. This began a long series of revival orders involving various schisms, of which Fabré-Palaprat is usually regarded as the originator; Fabré-Palaprat's organization eventually evolved into the Sovereign Military Order of the Temple of Jerusalem. The idea that these orders have legitimate descent from the Templars has been criticized by scholars of Templar history as dubious and tied to false claims.