1. Language – This is the greatest human innovation that would have probably distinguished us as a distinct species. It may as well be the defining moment of human history. The other innovations wouldn’t have been developed had it not for the advancement in communication.
2. Cooking – When mankind started to cook food, it ushered an era where safe eating also began. Fire was not included in the list as it is considered as something naturally occurring. The defining event was the use of fire in cooking of the food that we eat. This led to eating of food safely by killing parasites and other harmful microorganism.
3. Tools – This is an early human innovation that was developed out of the human need to destroy, change, repair or build something in order to survive.
4. Plumbing – It is widely known that the Romans were the first civilization that introduced the use of plumbing and the toilet for domestic convenience and sanitation.
5. Printing Press – Looking at how mankind had documented important knowledge and information before Gutenberg built and successfully used his innovative contraption, we will surely be impressed at the important and significant role this invention had in the advancement of human civilization.