Sentence examples for existed by the from inspiring English sources
The cohors praetoria existed by the 2nd century bc, acting as bodyguards for Roman generals.
Fossil remains suggest that five distinct types of dogs existed by the beginning of the Bronze Age (about 4500 bce).
The order Cuculiformes is not well represented in the fossil record, but cuckoos apparently existed by the early Paleogene Period, some 60 million years ago.
Theistic ascetics are less in evidence at this time, though a community of Shaivite monks, the Pashupatas, existed by the 2nd or 3rd century ce.
The Yurok villages that once existed by the hundreds on the banks of the Klamath, now reservation land, were homesteads for extended families.
This duty has been diluted over the years, to the extent it ever existed, by the willingness of investors to overlook a company's flaws and invest in the next hot issue.
(d) The opponent might say that the effect need not pre-exist in the material cause because when the cause is potent even a non-existent effect can be made to exist by the causal operation.
They don't really exist, by the way.
If it ever existed, it had ceased to exist by the time I got here".
The petaflop machine will exist by the year 2000, or soon afterward.
