The Portuguese used hand grenades in the XVI century, one soldier wrote on his memoirs some very harsh words on some of his comrades that had so many on their bodies they could barely run.

But they were too unstable and too unreliable to be used as successfully as they are today.

I believe there is plenty of evidence of rulers delegating tasks, giving individuals specific titles, and managing finances since the beginning of history.

Certainly in ancient Rome, Persia, Greece, China and Egypt just to name a few.

I would say the Sami are not the only indigenous group left in the European Union.

https://historicengland.org.uk/listing/what-is-designation/heritage-highlights/did-oliver-cromwell-really-ban-christmas/#:~:text=The%20rejection%20of%20Christmas%20as,1660%2C%20Christmas%20was%20officially%20illegal.