Search results
Results From The WOW.Com Content Network
t. e. The 1960s(pronounced "nineteen-sixties", shortened to the "'60s" or the "Sixties") was a decade that began on January 1, 1960, and ended on December 31, 1969. [1] While the achievements of humans being launched into space, orbiting Earth, and walking on the Moonextended exploration, the Sixties are known as the "countercultural decade" in ...
End Ordovician: 440 million years ago, 86% of all species lost, including graptolites. Late Devonian: 375 million years ago, 75% of species lost, including most trilobites. End Permian, The Great Dying: 251 million years ago, 96% of species lost, including tabulate corals, and most trees and synapsids.
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period . It includes brief explanations of the various taxonomic ranks in ...
SOUTH BEND — Sixty years later, the photographer's identity remains unknown. But on June 21, 1964, someone captured what became an iconic moment in the University of Notre Dame's history and ...
1960 ( MCMLX) was a leap year starting on Friday of the Gregorian calendar, the 1960th year of the Common Era (CE) and Anno Domini (AD) designations, the 960th year of the 2nd millennium, the 60th year of the 20th century, and the 1st year of the 1960s decade.
In geochronology, time is generally measured in mya (million years ago), each unit representing the period of approximately 1,000,000 years in the past. The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet.
The earliest record of Homo is the 2.8 million-year-old specimen LD 350-1 from Ethiopia, [9] and the earliest named species is Homo habilis which evolved by 2.3 million years ago. [10] The most important difference between Homo habilis and Australopithecus was a 50% increase in brain size. [ 11 ]
It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name Eocene comes from the Ancient Greek Ἠώς ( Ēṓs, "Dawn") and καινός ( kainós, "new") and refers to the "dawn" of modern ('new') fauna that appeared during the epoch. [ 7][ 8] The Eocene spans the time from the end of the Paleocene Epoch to the ...