The 800s decade ran from January 1, 800, to December 31, 809.
Arnulf of Metz was a Frankish bishop of Metz and advisor to the Merovingian court of Austrasia. He later retired to the Abbey of Remiremont. In French he is also known as Arnoul or Arnoulf. In English he is known as Arnold.
River Oaks is a residential community located in the center of Houston, Texas, United States. Located within the 610 Loop and between Downtown and Uptown, the community spans 1,100 acres (450 ha). Established in the 1920s by brothers Will Hogg and Michael Hogg, the community became a well-publicized national model for community planning. Real estate values in the community range from $1 million to over $20 million. River Oaks was also named the most expensive neighborhood in Houston in 2013. The community is home to River Oaks Country Club, which includes a golf course designed by architect Donald Ross and redesigned in 2015 by Tom Fazio.
Massachusetts General Hospital is the original and largest teaching hospital of Harvard Medical School located in the West End neighborhood of Boston, Massachusetts. It is the third-oldest general hospital in the United States with a patient capacity of 999 beds. Along with Brigham and Women's Hospital, Mass General is a founding member of Mass General Brigham, formerly known as Partners HealthCare, the largest healthcare provider in Massachusetts. Massachusetts General Hospital houses the world's largest hospital-based research program, the Mass General Research Institute, with an annual research budget of more than $1 billion in 2019. It is currently ranked as the eighth-best hospital in the United States by U.S. News & World Report.
The Varini, Warni or Warini were one or more Germanic peoples who originally lived in what is now northeastern Germany, near the Baltic sea.
Hřensko is a municipality and village in Děčín District in the Ústí nad Labem Region of the Czech Republic. It has about 300 inhabitants. With an elevation of 130 metres (430 ft) above sea level, it is the lowest situated municipality in the country. Located on the edge of the Bohemian Switzerland National Park, Hřensko is known for many natural monuments, especially for the Kamenice Gorge and Pravčická brána.
The Lusatian Highlands or Lusatian Hills form a hilly region in Germany and the Czech Republic. A western extension of the Sudetes range, it is located on the border of the German state of Saxony with the Czech Bohemian region. It is one of the eight natural landscapes of Upper Lusatia.
Thietmar, Prince-Bishop of Merseburg from 1009 until his death, was an important chronicler recording the reigns of German kings and Holy Roman Emperors of the Ottonian (Saxon) dynasty. Two of Thietmar's great-grandfathers, both referred to as Liuthar, were the Saxon nobles Lothar II, Count of Stade, and Lothar I, Count of Walbeck. They were both killed fighting the Slavs at the Battle of Lenzen.
Geesthacht is the largest city in the District of the Duchy of Lauenburg in Schleswig-Holstein in Northern Germany, 34 kilometres (21 mi) south-east of Hamburg on the right bank of the River Elbe.
Harald 'Klak' Halfdansson was a king in Jutland around 812–814 and again from 819–827.
Thrasco was the Prince (knyaz) of the Obotrite confederation from 795 until his death in 810. He succeeded his father, Witzlaus II, who had been ambushed and killed by the revolting Saxons. Thrasco defeated the Saxons in the battle on Schwentine River in 798. He was murdered in Reric in 810. Thrasco had a son, Cedragus, the Obotrite prince from 819 to 826.
Nordalbingia was one of the four administrative regions of the medieval Duchy of Saxony, the others being Angria, Eastphalia, and Westphalia. The region's name is based on the Latin name Alba for the Elbe River and refers to an area predominantly located north of the Lower Elbe, roughly corresponding with the present-day Holstein region. Situated in what is now Northern Germany, this is the earliest known dominion of the Saxons.
The Battle on the Raxa river was fought on 16 October 955 over control of the Billung march between the forces of Otto I of Germany allied with the Rani tribe on one side, and the Obotrite federation under Nako and his brother Stoigniew with their allied and tributary Slav neighbours on the other. The Raxa river is identified with either the Recknitz or the Elde river. The German victory over the Slavs followed up on the August victory at the Lechfeld over the Magyars and marked the high point of Otto's reign.
Blendecques is a commune in the Pas-de-Calais department in the Hauts-de-France region in northern France.
Floodplain restoration is the process of fully or partially restoring a river's floodplain to its original conditions before having been affected by the construction of levees (dikes) and the draining of wetlands and marshes.
In the Battle of Bornhöved or, possibly ‘’’*Vir·Gento·Vedo’’’, on the field of Sventanafeld near the village of Bornhöved near Neumünster in 798 the Obodrites, led by Drożko, allied with the Franks, defeated the Nordalbingian Saxons.
The Bohemians or Bohemian Slavs, were an early Slavic tribe in Bohemia. Their land became recognized as the Duchy of Bohemia around 870.
Bertha of Rheinfelden, countess of Kellmünz, was the daughter of Rudolf of Rheinfelden and wife of Ulrich X of Bregenz.
