Which millennium are we in ad 2020

I believe that we are in contemporary history which is also third millennium of the anno Domini (aka Commen Era i believe) the gregorian calendar is the current millennium which is from the years 2001 to 3000 which is also from the 21st century to the 30th century I think.

Explanation: Hope this helped you :)

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

to protest slavery i would think it would be a