History of metres ( SI unit of length ‪)‬ Caravan

Hey folks, How are you? In this episode I spoke about the reason behind the standardisation of length. I hope I have added values . STAY SAFE... If you have any thing to tell ,if you can give suggestions or if you want me to speak on something like this ,please feel free to send a voice message. Send it by the link below , don't forget to mention your name. https://anchor.fm/ambarishan-ram/message. Waiting for your words.... SORRY : India signed the convention in 1957 and I mentioned it wrong ..