Who invented the first phone in the world
- Who invented the first mobile phone in the world
- Who invented the first car in the world
- Who invented the first computer in the world
- Who invented the first camera in the world
- Who invented the first ship in the world
- Who invented the first clock in the world
- Who invented the first robot in the world
- Who invented the first aeroplane in the world
- Who invented the first bicycle in the world
- Who invented the first airplane in the world
- Who invented the first television in the world
- Who invented the first plane in the world
- Who invented the first motorcycle in the world
- Who invented the first gun in the world
- Who invented the first radio in the world