Approximately four years ago, we initiated a dual ladder of advancement for technical persons.

Approximately two years after the onset of puberty ( a girl ’ s first menstrual cycle ), the hormone estrogen stimulates the development and growth of the glandular, fat, and suspensory tissues that compose the breast.

Approximately 10, 000 years BC hunter-gatherer societies existed near present-day Bogotá ( at El Abra and Tequendama ), and they traded with one another and with cultures living in the Magdalena River valley.

Approximately two million years ago, the land between the Rift Valley and the Mediterranean Sea rose to such an extent that the ocean could no longer flood the area.

Approximately 4, 000 years ago the Unangan ( also known as Aleut ) culture became distinctly separate, and evolved into a non-Eskimo culture.

Approximately 1, 500 – 2, 000 years ago, apparently in Northwestern Alaska, two other distinct variations appeared.

Approximately two years later, Singapore was expelled from the Federation.

Approximately 200 years after the end of Elizabeth's reign, however, a patent represents a legal obtained by an inventor providing for exclusive control over the production and sale of his mechanical or scientific invention ... the evolution of patents from royal prerogative to common-law doctrine.

* Aggravating circumstances-ten to 20 years: when the consequences are extremely grave and affect public institutions or the material stolen is worth over 200, 000 RON ( Approximately US $ 80, 000 ).

Approximately 2 % of these patients will, in later months or years, show lesions in other parts of the central nervous system, indicating, in retrospect, that this was a first attack of multiple sclerosis.

Approximately 1, 500 years ago, the area was settled by the Owens Valley Paiute, who ranged across the Owens Valley from Long Valley on the north to Owens Lake on the south, and from the crest of the Sierra Nevada on the west to the Inyo Mountains on the east.

Approximately every seven years, Vulcan males and females who are bonded to each other experience an overpowering mating drive known as pon farr.

) Approximately seventy-five years after Port Royal was founded, Acadians migrated from the capital and established what would become the other major Acadian settlements before the Expulsion of the Acadians: Grand Pré, Chignecto, Cobequid ( present-day Truro, Nova Scotia ) and Pisiguit ( present-day Windsor, Nova Scotia ).

Approximately 1, 000 million years ago, species longevity fell sharply, suggesting that predation pressure, probably by protist herbivores, became an important factor.

Approximately one fifth of new recruits are 16 or 17 years of age.

Approximately 75 years pass during the course of the novel ; but because large amounts of this time are spent traveling interstellar distances at speeds approaching the speed of light, the 75-year measurement is an expression of the time elapsed in his absence rather than time seen from his perspective.

Approximately half of the deaths from Hiroshima and Nagasaki died two to five years afterward from radiation exposure.

Approximately half of the deaths from Hiroshima and Nagasaki died two to five years afterward from radiation exposure.

Approximately three years later on August 16, 1899, the Town incorporated.

Approximately 23 % of all households were made up of individuals with 11. 0 % of them consisting of single individuals 65 years of age or older.

Approximately 30. 9 % of all households were made up of individuals, and 17. 3 % had someone living alone who was 65 years of age or older.

Approximately 23. 8 % of families and 31. 4 % of the population as a whole were classified as living below the poverty line, including 41. 7 % of those aged 18 years or younger, and 21. 7 % of those aged 65 years or older.

" Approximately 85 children from 10 to 15 years of age attended the first meeting on January 15, 1902 in Springfield, Ohio, in the basement of the Clark County Courthouse.

Approximately 400 years ago, British and Spanish explorers first approached the South Coast.

Approximately 7. 4 million years ago, Megatron and Optimus Prime disappeared in an early test of the new unstable Spacebridge matter-transport system.

Approximately 400 million years ago, this area was covered by a shallow tropical sea teeming with life in the form of plant-like animals, crustaceans, living corals and mollusks.

Approximately 2000 years ago, the first farms were developed at this location.

Approximately 14, 000 years ago, mainland Australia was linked to both New Guinea and Tasmania ; the British Isles formed an extension of continental Europe via the dry beds of the English Channel and North Sea ; and the dry basin of the South China Sea linked Sumatra, Java and Borneo to the Asian mainland.

Approximately 13, 850 years ago, Wolf 359 was at its minimal distance of about from the Sun.

Approximately 7 – 8, 000 years ago, Native American hunters pursued wild animals for food in the Itasca State Park region.

* Approximately 8, 000 years ago, a massive volcanic landslide off of Mt.

* Approximately 6000 years ago, a landslide on Réunion island, to the east of Madagascar, may have caused a megatsunami.

Approximately 18, 000 years ago the Laurentide ice sheet receded northward across the continent leaving behind a large escarpment creating the modern day Hudson River.

Approximately 17, 000 years ago the terminal moraine of the receding Wisconsin Glacier that formed Long Island established a string of hills and kettles in the northern part of the park and a lower lying outwash plain in the southern part.

Approximately 10, 000 years ago the dire wolf became extinct along with most other North American megafauna.

Approximately 50, 000 years ago, the Death Valley region of the western United States had a rainy climate which produced an interconnecting system of freshwater rivers and lakes.

Approximately eight thousand years ago, the first cattle breeders and farmers arrived in the area, bringing wheat, domestic goats and sheep, as well as the knowledge of their breeding.

" Approximately 100 years ago he taught a young Professor Wernstrom, whom Farnsworth regarded as a prized student.

Approximately 6, 100 years ago, fissure basalt flows erupted from the rift and covered part of Newberry's northwest flank.

Approximately 3 million years ago, strong easterly winds brought about the formation of elongated dunes which ran from east to west across the middle of the Kalahari Desert.

Approximately 2 million years ago, the formation of the fault known as the Kalahari-Zimbabwe axis, which runs from the Zimbabwe capital Harare through its second-largest city Bulawayo and ends in the eastern side of the Kalahari, created an enormous basin and forced these rivers to flow into and fill up the basin.

Approximately 4 metres deep was discovered archaeological complex 1 metre wide, built 2400 – 2600 years ago.