Sentence examples for it has existed since from inspiring English sources

Science defined simply as knowledge of natural processes is universal among humankind, and it has existed since the dawn of human existence.

Facebook — even if it hasn't made a song and dance about it — has been plugging away at its ad business for almost as long as it has existed — since around 2006 by some estimates.

It has existed since the 13th century but was developed into its current form in the early 19th century by installing lock gates on a tidal stretch of the River Avon in the centre of the city and providing a tidal by-pass for the river.

The code was amended in 1998; it has existed since the 1930's.

Writer admits Soviet superiority in conventional military strength, but notes that it has existed since W.W. II.

It has existed since at least the early 1980s; it was not created in 1993, the year the House formally acknowledged it.

The Queen's Park Oval Cricket Club leased the Queen's Park Oval in 1896, moving there from its first home at the Queen's Park Savannah, where it had existed since its founding in 1891.

The gang was first mentioned in newspapers in 1873, but police records suggest it had existed since the late 1700s.

What started as a conflict to save the Union as it had existed since the 1787 Constitutional Convention had become a contest to save a new, different kind of United States — one in which slavery was permanently abolished.

The balance of power from the early 20th century onward underwent drastic changes that for all practical purposes destroyed the European power structure as it had existed since the end of the Middle Ages.

It had existed since the time of ex-ruler Mobutu Sese Seko.