Then in 1802 it joined the Canton of Fricktal, which became part of the new Canton of Aargau in 1803.

The Fricktal had already become part of the Swiss Confederation in 1802.

On 20 February 1802 Rheinfelden was made a district capital of the newly created Canton of Fricktal, ( Principality of Frickgau ), joining the Helvetic Republic in August, the point at which the city became decisively Swiss.

On 20 February 1802, Rheinfelden was made a district capital of the newly created Canton of Fricktal, ( Principality of Frickgau ), joining the Helvetic Republic in August.

Subsequent to the 1797 Treaty of Campo Formio, Fricktal was occupied by France and in 1802 it was briefly a canton of the Helvetic Republic, as the Canton of Fricktal.

The western Fricktal was held by the Burgundian Lords of Rheinfelden, their last scion Rudolf of Rheinfelden became Duke of Swabia in 1057 and upon his death in 1080 his possessions passed to his son in law Berthold II from the House of Zähringen.

After the Habsburg dynasty had lost large parts of its original Swabian possessions south of the Rhine to the Swiss Confederacy at the 1386 Battle of Sempach, the remaining Fricktal was administered from the Oberamt Breisgau of Further Austria ( Vorderösterreich ) at Freiburg, while the adjacent Unteraargau region to the south was finally conquered by the Swiss at Bern in 1415.

In 1469 indebted Archduke Sigismund of Further Austria sold the Breisgau with Fricktal to the Burgundian Duke Charles the Bold, neverteheless upon Charles ' death in 1477 it fell back to Archduke Maximilian I of Habsburg by marriage with the duke's daughter Mary the Rich.

On 9 March 1803, Fricktal was integrated into the Aargau canton of the Swiss Confederation by order of Napoleon.

Napoleon Bonaparte signed the Act of Mediation on 19 February 1803 and, in the process, the canton of Baden was dissolved and united with the cantons of Aargau and Fricktal.

In the second half of the 10th century, when the entire Fricktal area was within Kingdom of Burgundy, Rheinfelden was granted to a noble family, later calling themselves Counts of Rheinfelden, von Wetterau's.

After the Waldshut war of 1468 the whole Fricktal was pledged to the Duchy of Burgandy.

On 19 February 1803, Canton Fricktal, including Zuzgen, was absorbed into Canton Aargau.

In the Early Middle Ages, Fricktal was part of the Alamannian Augstgau shire between the Rhine and Aar rivers, from the 10th century onwards of the smaller Frickgau region within Upper Burgundy.

The original homelands of the Habsburgs, the Aargau with Habsburg Castle and much of the other original Habsburg possessions south of the High Rhine and Lake Constance were lost in the 14th century to the expanding Old Swiss Confederacy after the battles of Morgarten ( 1315 ) and Sempach ( 1386 ) and were never considered part of Further Austria-except for the Fricktal region around Rheinfelden and Laufenburg, which remained a Habsburg property until 1797.

The Fricktal (" Frick Valley ") region is the northwest finger extending from the Swiss canton of Aargau.

Rheinfelden District lies in the northwest of the canton of Aargau in Switzerland, in the Fricktal region.

With the beginning of the Reichsdeputationshauptschluss ( the German Mediatisation ), Napoleon Bonaparte dissolved the canton of Fricktal.

Thanks to an inter-cantonal agreement, youngsters from the Fricktal may attend the college in Muttenz ( canton Baselland ).

The municipality is located in the Laufenburg district, in the upper Fricktal ( Frick river valley ) and is on the Benkerjoch Pass road.

In 1803, Napoleon ordered the fusion of the cantons of Aargau, Baden and Fricktal.

With the Act of Mediation in 1803, the entire Fricktal, including Magden, joined the newly created Canton of Aargau.

In 1803 the entire Fricktal, including Möhlin, joined the newly founded Canton of Aargau.

In 1514 Bern expanded north into the Jura and so came into possession of several strategically important mountain passes into the Austrian Fricktal.

In 1797, Oberhof became part of the French protectorate of Fricktal.

After World War II, the chemical industry moved into the Fricktal offering many new jobs.

The municipality is located in the Rheinfelden district, in the Fricktal.

Only the Fricktal remained Habsburgian.

After the Waldshut War from 1468, all of Fricktal Burgundy pledged to the Habsburgs.

Between 1633 and 1638 the Thirty Years ' War reached Fricktal, where Rheinfelden played an important role.

As a result of the Treaty of Campo Formio in 1797, the Fricktal became a French protectorate, forming the front line between the French Revolutionary and the Austrian troops in the War of the Second Coalition.

It is located in the West of the Fricktal region, around three kilometers Southwest of the border with Germany and has a border with Canton Basel-Landschaft.

As a result of the Treaty of Campo Formio in 1797, the Fricktal became a French protectorate, forming the front line between the French Revolutionary and the Austrian troops in the War of the Second Coalition.

It was ceded to France in 1795, captured by rebellious Haitian slaves in 1801, recovered by France in 1802, recovered by Spain in 1809.

It was created by an Act of the Legislature in 1803 after the Wilkinson Treaty was signed with the Creek Indians on January 16, 1802, which ceded part of the Tallassee Country and part of the lands within the forks of the Oconee and Ocmulgee Rivers to the United States.

Part of the land ceded by the Creek Nation in the Treaty of Fort Wilkinson in 1802 was used to create Baldwin County on May 11, 1803, by the Georgia General Assembly, the state's legislative body.

By a private treaty with France, signed in March 1802, he ceded his possessions on the left bank of the Rhine, receiving in return nine imperial towns, among them Reutlingen and Heilbronn, and some other territories, amounting altogether to about 850 square miles ( 2, 200 km² ) and containing about 124, 000 inhabitants.

These three colonies were captured by the British in 1796 ; they were returned to the ( Dutch ) Batavian Republic in 1802, but were again captured by British forces a year later and were officially ceded to the United Kingdom in 1814, and consolidated into a single colony in 1831.

Following a series of land scandals, Georgia ceded its claims in 1802, fixing its present western boundary.

In 1802 he negotiated the Treaty of Amiens with Great Britain ; Spain ceded the island of Trinidad to Britain but recovered Minorca.

By virtue of the Fort Marlborough in India Act 1802 both territories, together with others in the region ceded to Britain by the Netherlands, became subordinate to the Presidency of Fort William in Bengal, and under the Government of India Act 1800 these territories became subject to the jurisdiction of the Supreme Court of Fort William.

Lower Creek chiefs had ceded town lands in 1790, 1802 and 1804.