There is no singular "first invention" as inventions have been occurring throughout human history and different cultures. However, some early inventions that are considered significant include:

- The wheel: The invention of the wheel revolutionized transportation and made it possible to travel faster and carry heavier loads.

- Fire: The control and use of fire was a crucial invention for cooking, heating, and protection. It also enabled early humans to expand to different environments.

- Agriculture: The development of agriculture allowed humans to settle in one place and cultivate food, leading to the rise of civilizations.

- Tools and weapons: Early humans created tools and weapons from materials like stone, bone, and wood, which enhanced their survival and hunting capabilities.

- Language: The development of language allowed humans to communicate complex ideas, cooperate, and pass on knowledge and skills.

These inventions are among many that have shaped human history and continue to be developed and refined over time.