Hungría ha estado regida durante más de 900 años (1000-1918) por soberanos con el título de rey de Hungría, y el territorio magiar pasó a llamarse la Corona de San Esteban.El primer rey húngaro fue san Esteban, coronado en el año 1000, y el último Carlos IV, quien renunció a sus derechos en 1918 firmando el acuerdo de Eckartsau.El título completo en esa época era «Dei …

In computing, booting is the process of starting a computer as initiated via hardware such as a button or by a software command. After it is switched on, a computer's central processing unit (CPU) has no software in its main memory, so some process must load software into memory before it can be executed.This may be done by hardware or firmware in the CPU, or by a …

Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from Earth's interior out into space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun.The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in Earth's outer core: …

A partir de los años 1980, esté fenómeno se ha asociado a la disminución de la longitud de los telómeros, las secuencias cortas que se encuentran en los extremos de los cromosomas para permitir su replicación completa y evitar que se fusionen entre sí. En efecto, los telómeros se recortan en cada división celular porque el complejo ADN polimerasa no puede replicar …

Dinosaurs are a diverse group of reptiles of the clade Dinosauria.They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is the subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 mya; their dominance …

The day of the attack a total of 1,099 students and staff were registered in the school. The attack began at around 10:30 A.M. When seven gunmen, wearing explosive belts entered the school after having scaled the walls. Army Public School is located at Warsak Road near the Peshawar Cantt, and is a part of Army Public Schools and College Systems that runs 146 schools across …

La escala temporal geológica, escala de tiempo geológico o tabla cronoestratigráfica internacional es el marco de referencia para representar los eventos de la historia de la Tierra y de la vida ordenados cronológicamente. Establece divisiones y subdivisiones de las rocas según su edad relativa y del tiempo absoluto transcurrido desde la formación de la Tierra hasta la actualidad, …

Facebook's initial public offering came on May 17, 2012, at a share price of US$38 ($45.00 in 2021 dollars).The company was valued at $104 billion ($123 billion in 2021 dollars), the largest valuation to that date. The IPO raised $16 billion ($18.9 billion in 2021 dollars), the third-largest in U.S. history, after Visa Inc. in 2008 and AT&T Wireless in 2000. Based on its 2012 income of …

An impact event is a collision between astronomical objects causing measurable effects. Impact events have physical consequences and have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal effect. When large objects impact terrestrial planets such as the Earth, there can be significant physical and …

The Chicxulub crater (IPA: [tʃikʃuˈlub]) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore near the community of Chicxulub, after which it is named.It was formed slightly over 66 million years ago when a large asteroid, about ten kilometers (six miles) in diameter, struck Earth.The crater is estimated to be 180 kilometers …