3000
1986 for the first edition, 1991 for the HarperPerennial edition.
The first edition of the World Book Encyclopedia was printed in 1917.
According to Wikipedia, the first edition of the World Book Encyclopedia was published in 1917.
Encyclopedias were revised every few years to make them as up to date as possible. Each time it was revised, it became a new edition. If it was the fourth revision, it would be called the fourth edition.
They were invented and developed in the following order: -- Steam engine (first) -- Radio -- Airplane -- Television (last)
Wood and fabric.
umm yes \
Two people at most. The first airplane carried its engine and 1 man.
1903 by Orville wright probbarly not the first flying thing but, an airplane must have an engine or it is a glider!
wright brothers
wright brothers
The very first airplanes were gliders.