It has been supposed that Mac Bethad was responsible for the killing of Gille Coemgáin in 1032, but if Mac Bethad had a cause for feud in the killing of his father in 1020, Máel Coluim too had reason to see Gille Coemgáin dead.

Wulfnoth Cild was the father of Godwin, who was made Earl of Wessex in 1020.

Æthelmær was the father of Æthelnoth, who became Archbishop of Canterbury in 1020, and was later regarded as a saint.

He succeeded his father to the position of Sesshō in 1017, and then went on to become Kampaku from 1020 until 1068.

Before succeeding his father, Richard II, perhaps about 1020, he had been sent by his father in command of a large army, to attack bishop / count Hugh of Chalon in order to rescue his brother-in-law, Reginald, later Count of Burgundy, whom the count / bishop had captured and imprisoned.

Findláech was killed in 1020.

In 1020, he certainly participated in the killing of his uncle Findláech.

A poem from around 1020, the Austrfaravísur (' Eastern-journey verses ') of Sigvat Thordarson, mentions that, as a Christian, he was refused board in a heathen household, in Sweden, because an álfablót (" elves ' sacrifice ") was being conducted there.

Shen's contemporary Su Song ( 1020 – 1101 ) was also a polymath and astronomer responsible for the creation of celestial atlas of star maps, as well for writing a pharmaceutical treatise with related subjects of botany, zoology, mineralogy, and metallurgy.

Pope Stephen IX ( c. 1020 – 29 March 1058 ) was Pope from 3 August 1057 to 29 March 1058.

The star catalog of Hipparchus ( 2nd century BC ) included 1020 stars and was used to assemble Ptolemy's star catalogue.

Year 1020 ( MXX ) was a leap year starting on Friday ( link will display the full calendar ) of the Julian calendar.

By 1018 he was an earl, probably of eastern Wessex, and then by around 1020 of all Wessex.

At the time, it was known as the Year of the Consulship of Paternus and Arcesilaus ( or, less frequently, year 1020 Ab urbe condita ).

An array of 1020 microphones, the largest in the world, was built by researchers at the MIT Computer Science and Artificial Intelligence Laboratory.

A similar proposal from the Song engineer Li Chun concerning flooding the lower reaches of the river to protect the central plains from the Khitai was overruled in 1020: the Treaty of Shanyuan between the two states had expressly forbidden the Song from establishing new moats or changing river courses .< ref name =" Sedtime "> Elvin, Mark & Liu Cuirong it returned to the north amid the floods that provoked the Nien Rebellion.

While the ethnic based army was generally successful on the battlefields, they began to have negative effects on the Fatimid's internal politics, traditionally the Berber element of the army had the strongest sway over political affairs, but as the Turkish element grew more powerful they began to challenge this, and eventually by 1020 serious riots began to break out among the Black African troops who were fighting back against a Berber / Turks Alliance.

Otto ( or Othon in French, Oddone in Italian ) ( 1010 / 1020 – ) was a Count of Savoy from 1051 ( or 1056 ) until his death.

Saint-Germain-en-Laye was founded in 1020 when King Robert the Pious ( ruled 996-1031 ) founded a convent on the site of the present Church of Saint-Germain.

Lyfing ( died 12 June 1020 ) was an Anglo-Saxon Bishop of Wells and Archbishop of Canterbury.

Its history dates back to 1020 when the manor was given by King Canute to the newly founded Abbey of St. Benet at Hulme.

He was also a chaplain to King Cnut of England and Denmark as well as Dean of Canterbury when on 13 November 1020 Æthelnoth was consecrated as Archbishop of Canterbury.

Æthelnoth's elevation probably was a gesture of appeasement, as Æthelnoth's brother Æthelweard had been executed in 1017 by Cnut, who also banished a brother-in-law named Æthelweard in 1020.

Although his birthdate is unknown, by 1020, he was serving as a royal chaplain and advisor.

Leif Ericson ( or ; ; Icelandic: Leifur Eiríksson ; Norwegian: Leiv Eiriksson c. 970 – c. 1020 ) was a Norse explorer regarded as the first European to land in North America ( excluding Greenland ), nearly 500 years before Christopher Columbus.

The Song Dynasty is considered by many to be classical China's high point in science and technology, with innovative scholar-officials such as Su Song ( 1020 – 1101 ) and Shen Kuo ( 1031 – 1095 ).

The House takes its name from Habsburg Castle, a fortress built around 1020 – 1030 in present day Switzerland by Count Radbot of Klettgau, who chose to name his fortress Habsburg.

* 1014 – 1020: The Book of Healing, a vast philosophical and scientific encyclopaedia, is written by Avicenna, Persian scholar.

* 1020 – The Bamberg Apocalypse commissioned by Otto III is completed.

Signals were returned by the payload for 1020 seconds after launch.

A layer of peat formed between 1920 and 1680 BC and another between 1020 and 830 BC, indicating marshy conditions ; polished Neolithic axes found in those layers were blackened by exposure to the peat.

He was succeeded by King Olof Skötkonung ( late 960s – circa 1020 ), the first Christian king of Sweden.

** Kingdom of Israel ( united monarchy ) ( 1020 BCE-931 BCE ), the kingdom established by the Israelites and uniting them under a single king

As of 2012, the Alta Wind Energy Center is the largest onshore wind farm in the world at 1020 MW, followed by the Roscoe Wind Farm ( 781. 5 MW ).

NDBs typically operate in the frequency range from 190 kHz to 535 kHz ( although they are allocated frequencies from 190 to 1750 kHz ) and transmit a carrier modulated by either 400 or 1020 Hz.

This could refer to the area being extra land granted to the Bishop of Durham by King Canute in around 1020.

It is also mentioned in 1020 as a gift given to the Bishop of Durham by King Canute.

The aesthetic underpinning the use of these other intervals ( usually to do with the concept of a " boundary tone " to preserve the modal integrity, or in order to avoid harmonic tritones or accidentals foreign to the mode ) was explored in more detail by Guido d ' Arezzo in his Micrologus of around 1020.

The same mechanism would be used by Su Song ( 1020 – 1101 ) in 1088 to power his astronomical clock tower, as well as a chain drive.

Earlier, Caithness had been intermittently held, presumably always as fief of Scotland, by the Norse Earls of Orkney, at least since the days of the childhood of Thorfinn Sigurdsson in c 1020, but possibly already several decades before.

The castle was at first owned by Count Dodiko, whose estate, according to documents, passed in 1020 to the Bishop of Paderborn when the Count's only son met his end in an accident.

The Micrologies ( P. L., CLI, 1020 ), written during the pontificate of Gregory VII ( Nilles, II, 460 ), call the Sunday after Pentecost a Dominica vacans, with no special Office, but add that in some places they recited the Office of the Holy Trinity composed by Bishop Stephen of Liège ( 903-20 ).

As of 2012, the Alta Wind Energy Center is the largest onshore wind farm in the world, with a capacity of 1020 MW of power, followed by the Roscoe Wind Farm ( 781. 5 MW ).