The "real" submarines were operating in a limited way in WWI, but their use in WWII is well documented. They continue in use today. That makes it about a hundred years. The history of the submarine goes back a ways, but the technology to actually built a "good" one is recent. A link is provided.
No. The submarine came about long before the helicopter.
since computers were invented
the car has been around since 1885, it was invented in 1885.
Since the cameras were first invented
Since beer and car where invented.
Since 1885 which is when the first automobile was invented by Benz
Since it was invented in the late 19th century.
Since long before humans invented the cardinal points of the compass and the system of hemispheres.
Like most hand tools, the hacksaw was invented in ancient times, and the name of the inventor has long since been lost to history.
It is not known exactly how long asthma has been around, but it was first described by the Greek Doctor, Hippocrates. Hippocrates lived from 460-357 BC.
well, the frisbee was invented in 1957, so i would figure since then.
Pancakes have been made since long before the beginning of any recorded history.