In heraldry, Saint George's Cross (or the Cross of Saint George) is a red cross on a white background, which from the Late Middle Ages became associated with Saint George, the military saint, often depicted as a crusader.

Associated with the crusades, the red-on-white cross has its origins in the 10th century. It has been used as the ensign of the Republic of Genoa from perhaps as early as the 10th century.

The symbol was adopted by the Swabian League in the pre-Reformation Holy Roman Empire. George became associated as patron saint of England in the fourteenth century, replacing St Edmund the Martyr. Since then this flag is commonly identified as the national flag of England. Saint George is the patron saint of Catalonia and of the country of Georgia. It figures in the coat of arms of Barcelona. The national flag of Georgia supplements this cross with Jerusalem crosses.

Across the rest of Northern Italy as the symbol of Bologna, Genoa, Padua, Reggio Emilia, Mantua, Vercelli and Alessandria, the form has only received a cult of Saint George bolstering and simplification to the cross of Saint Ambrose, the origin of the cross in their civic designs, as the latter was adopted by the Commune of Milan in 1045, Ambrose having been a late 4th-century bishop of that city.^[1]

Saint George became widely venerated as a warrior saint during the Third Crusade. There was a legend that he had miraculously assisted Godfrey of Bouillon; also that Richard the Lionheart had placed himself under his protection.^[2] According to legend, the crusaders received miraculous help at the siege of Antioch on 28 June 1098 from a great army on white horses, clothed in white and bearing white banners, led by St George, St Demetrius, and St Mercurius. However, there was no association of the red cross with St George before the end of the crusades.^[3]

The red cross in particular was associated with the Knights Templar, from the time of the Second Crusade (1145),^[4] but in 1188 red and white crosses were chosen to identify the French and English troops in the "Kings' Crusade" of Philip II of France and Henry II of England, respectively. Together with the Jerusalem Cross, the plain red-on-white became a recognizable symbol of the crusader from about 1190, and in the 13th century it came to be used as a standard or emblem by numerous leaders or polities who wanted to associate themselves with the crusades.^{[clarification needed]} The red-on-white combination was chosen by the Kingdom of Aragon, among others.

Saint George was depicted as a crusader knight during this time, but the red cross had no particular association with him. A crusader-era fresco in the crypt of Trani cathedral shows Saint George wearing a white cross on a red surcoat. The white-on-red version was chosen as the Reichsbanner ("imperial banner") by the German crusaders in the 12th century, and Emperor Frederick II used it in his European campaigns of the 1250s after he had returned from the crusades. It continued to be used as the Reichssturmfahne ("imperial war flag") of the Holy Roman Empire, eventually giving rise to the flag of Savoy and the present-day flags of Switzerland and Denmark. Via the conflict between (pro-Pope) Guelphs and (pro-Imperial) Ghibellines, the cross entered the heraldry of several north Italian principalities.

A vexillum beati Georgii is mentioned in the Genovese annals for the year 1198, referring to a red flag with a depiction of St George and the dragon. An illumination^{[clarification needed]} of this flag is shown in the annals for the year 1227. The Genoese flag with the red cross was used alongside this "George's flag", from at least 1218, and was known as the insignia cruxata comunis Janue ("cross ensign of the commune of Janua"). The flag showing the saint himself was the city's principal war flag, but the flag showing the plain cross was used alongside it in the 1240s.^[5]

The cross ceased to be a symbol directly associated with the "taking of the cross", the resolve to fight in a crusade, after the failure of the crusades in the 14th century. With the development of systematic heraldry, there was great demand for variations of the cross symbol and associated terminology. Juliana Berners reports that there were Crossis innumerabull born dayli. The term "St George's cross" was at first associated with any plain Greek cross touching the edges of the field (not necessarily red on white).^[6]

Early representations of Saint George as a crusader knight with bearing a red-on-white cross still date to the late 13th century,^[7] and become widespread as the saint's attributed arms in the 14th and 15th centuries. Edward III of England chose Saint George as the patron saint of his Order of the Garter in 1348, and also took to using a red-on-white cross in the hoist of his Royal Standard.

There was a historiographical tradition claiming that Richard the Lionheart himself adopted both the flag and the patron saint from Genoa at some point during his crusade. This idea can be traced to the Victorian era, Perrin (1922) refers to it as a "common belief", and it is still popularly repeated today even though it cannot be substantiated as historical.

On the origins of the flag and its connection to the Genoese flag, Prince Edward, Duke of Kent, said in a speech in Genoa in 1992:

The St. George's flag, a red cross on a white field, was adopted by England and the City of London in 1190 for their ships entering the Mediterranean to benefit from the protection of the Genoese fleet. The English Monarch paid an annual tribute to the Doge of Genoa for this privilege.^[8]

The red cross was introduced to England by the late 13th century, but not as a flag, and not at the time associated with Saint George. It was worn by English soldiers as an identification from the early years of the reign of Edward I (1270s),^[9][10] and perhaps originated a few years earlier, in the Second Barons' War (specifically in the Battle of Evesham of 1265, during which, according to chronicler William Rishanger, Simon de Montfort observed that the king had taken from him the idea of having his soldiers marked with a cross).^[11]

Saint George rose to the position of "patron saint of England" in a process beginning in 1348 with the foundation of the Order of the Garter and culminating with the abolition of all saint's banners except for the St George's banner in 1552. From 1348 and throughout the 15th century, the Saint George's Cross was shown in the hoist of the Royal Standards of the Plantagenet kings of England.

A combined British flag was created in 1606 (after the dynastic union of England and Scotland in 1603, the so-called "Union of the Crowns") by combining Saint George's Cross with the Saint Andrew's Cross (the flag of Scotland). The flag was initially for maritime display, later restricted to the King's ships. Afterwards, the Saint George flag remained the flag of England for other purposes until the Acts of Union 1707. At the union, the first Union Flag became official for all purposes in the new Kingdom of Great Britain. From this time, the Saint George's Cross came to be seen as a symbol of England and Wales when used alongside symbols for Scotland or Ireland; so in the flags of the Commonwealth of England during 1649 to 1660.

The flag of Saint George is also the rank flag of an Admiral in the Royal Navy, and civilian craft are forbidden to fly it. However, surviving little ships of Dunkirk, which participated in the Dunkirk evacuation during World War II, are allowed to fly it as a jack. This is normally done in the defaced form of the Dunkirk jack.

Churches belonging to the Church of England may fly the Saint George's Cross (unless another flag is flown by custom for special reasons). The correct way for the church to fly the Saint George's cross (since an order from the Earl Marshal in 1938) is with the arms of the diocese in the upper left-hand corner of the flag.^[12]

The flag of St George has enjoyed a resurgence in popularity since the late 20th century, partly due to football-inspired nationalism, and also in response to the devolution movements in Scotland and Wales.^[13]

During the 2010 World Cup, UK Prime Minister David Cameron told Parliament that the flag would fly above his official residence at "no extra cost to the tax payer" while England played in the contest.

Most of the derived usage is from the flag of England. That article has illustrations of its derivations particularly across Canada, eastern Australia, the Caribbean and the Channel Islands apart from Jersey since Guernsey commonly used the English flag from 1936 (then moved to its present variant in 1985), however the illustrations below have an extremely complex or nil derivation from that flag.

The flag of the City of London use the St George's Cross on a white background, with a red sword in the canton. The sword is believed to represent the sword that beheaded Saint Paul who is the patron saint of the city.^[14]

• 
  Proposed flag of the Autonomous Republic of Abkhazia
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  Flag of Adjara
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  Flag of the City of London

Saint George is the patron saint of the nation of Georgia, and the Saint George flag was supposedly used in the 5th century by Georgian king Vakhtang Gorgasali.^{[15][dubious – discuss]} In the 13th century, Queen Tamar of Georgia used the Saint George flag during her campaign against Seljuk Turks. The four Jerusalem crosses were later added by King George V of Georgia, who drove out the Mongols from Georgia in 1334.

The flag fell out during the Russian annexation of Georgia and abolition of the Georgian monarchy. However, the flag was revived by the Georgian patriotic movement in the 1990s. A majority of Georgians supported the restoration of the medieval flag of Georgia, including the influential Catholicos-Patriarch of All Georgia Ilia II of the Georgian Orthodox Church. The flag was finally adopted by the Georgian parliament on 14 January 2004. It was formally endorsed by a presidential decree signed by Mikheil Saakashvili on 25 January, following his election as President of Georgia. The Georgian Navy's naval ensign also used a St. George's Cross during its existence.

The naval ensigns of the Bahamas, Jamaica, Latvia, Saint Kitts and Nevis, South Africa, and Ukraine incorporates St. George's Crosses.

• The flag of Barcelona combines the cross of Saint George, the patron saint of Catalonia, with the traditional red and yellow bars of the Senyera, the ancient symbol of the Crown of Aragon (here, the bars are vertical, though the modern flag of Catalonia has horizontal stripes).^[16]
• The flag of Almería, Spain, consist of a St George's Cross.
• The crest of Royal St. George's College in Toronto, Canada, contains a St George's Cross.
• The Indian naval flag used to feature a St. George Cross until it was removed in 2022
• Both the flag of Sardinia and the flag of Corsica are derived from the Four Moors flag, also known as the "Cross of Alcoraz". This consists of a red cross of Saint George on a white background with a maure (moor's head) in each quarter. This is also found in the flag of Aragon, (Spain), and is based on a war flag of the Reconquista following the Battle of Alcoraz in 1096.^[17]
• The flag and arms of Freiburg im Breisgau, Germany, consist of a St George's Cross, as St George is one of the city's patron saints.
• In Sweden, the term "Saint George's cross" sometimes refers to the Cross pattée used by Swedish Freemasons.^[18] For example, the cross of the Swedish Order of Freemasons was defined by the King of Sweden in 1928 to be a "red St George's cross with triangular arms".^[19]
• In Finland, the Cross pattée is called Yrjön risti, "George's cross", while the red cross on a white background is called Pyhän Yrjön risti, "Saint George's cross".^[20]
• Some British Commonwealth countries used the St. George's Cross on their naval ensigns, including the Bahamas, Jamaica, Saint Kitts and Nevis, South Africa.
• The naval jack of Italy contains a St. George's Cross on the second quarter.
• Naval flags of Latvia, contain a St. George's Cross coloured in the same pattern as the Latvian national flag.^{[citation needed]}
• Depicted on the trumpet banner of the Angel from the Judgement card in the Tarot Deck.
• The naval ensign of Ukraine contains a St. George's Cross.

• Flag of England at FOTW
• Banners of English saints at FOTW