the discovery of the crater—a prediction of the impact hypothesis—provided conclusive evidence for a k–pg impact, and strengthened the hypothesis that it caused the extinction. in a 2013 paper, paul renne of the berkeley geochronology center dated the impact at 66.043 ± 0.011 million years ago, based on argon–argon dating. he further .
the ongoing pandemic of coronavirus disease 2019 covid-19 spread to the united kingdom in early 2020. the first cases were identified in late january, transmission within the uk was confirmed in late february, and the number of cases increased rapidly in march. as of 15 april, there have been 98,476 confirmed cases of covid-19 in the uk, overtaking china where the pandemic started, and .
the house of godwin was an anglo-saxon in later generations anglo-danish or anglo-norse family, one of the leading noble families in england during the last 50 years before the norman conquest.its most famous member was harold godwinson, king of england for nine months in 1066.. the founder of the family's greatness, earl godwin, was raised from comparative obscurity by king cnut and given .
the treaty of nymphaeum greek: συνθήκη του νυμφαίου was a peace treaty signed in december 1214 between the nicaean empire, successor state of the byzantine empire, and the latin empire, which was established in the aftermath of the fourth crusade of 1204.
england in the high middle ages includes the history of england between the norman conquest in 1066 and the death of king john, considered by some to be the last of the angevin kings of england, in 1216.a disputed succession and victory at the battle of hastings led to the conquest of england by william of normandy in 1066. this linked the crown of england with possessions in france and .
the chicxulub impactor / ˈ tʃ iː k ʃ ə l uː b / cheek-shə-loob , also known as the k/pg impactor and more speculatively as the chicxulub asteroid, was an asteroid or other celestial body some 11 to 81 kilometres 7 to 50 mi in diameter and having a mass between 1.0 × 10 15 and 4.6 × 10 17 kg, which struck the earth at the end of the cretaceous period, 66 million years ago .
the ongoing pandemic of coronavirus disease 2019 covid-19 spread to the united kingdom in late january 2020. transmission within the uk was confirmed in late february, and the number of cases rose swiftly in march. as of 20 april, there have been 124,743 confirmed cases in the uk and 17,337 people with confirmed infections have died, a rate of about 200 deaths per million population.
rǫgnvaldr guðrøðarson died 14 february 1229 ruled as king of the isles from 1187 to 1226. he was the eldest son of guðrøðr óláfsson, king of dublin and the isles. although the latter may have intended for his younger son, óláfr, to succeed to the kingship, the islesmen chose rǫgnvaldr, who was likely óláfr's half-brother.rǫgnvaldr went on to rule the kingdom of the isles for .
during april 25–28, 2011, the local weather forecast offices of the national weather service confirmed 359 tornadoes in the united states, and environment canada confirmed another in ontario.these tornadoes were part of a major outbreak of tornadoes, the 2011 super outbreak, in which 360 tornadoes touched down across 21 states in the southern, midwestern, and northeastern united states and .
the chicxulub impactor / ˈ tʃ iː k ʃ ə l uː b / cheek-shə-loob , also known as the k/pg impactor and more speculatively as the chicxulub asteroid, was an asteroid or other celestial body some 11 to 81 kilometres 7 to 50 mi in diameter and having a mass between 1.0 × 10 15 and 4.6 × 10 17 kg, which struck the earth at a velocity of roughly 20 kilometers per second at the end of .