Time periods

The 21st and 22nd Centuries were categorised into multiple time periods and eras.
Before Times (1st January, 2020 - 19th August, 2020)
PW3 (10th August, 2020 - 31st December, 2024)
2025 (1st January, 2025 - 15th October, 2025)
Lukewarm Period (16th October, 2025 - 28th December, 2032) 
Cool War (29th December, 2032 - 20th December 2070)
Agitation Period (21st December 2070 - 31st December, 2099)
Global 2100s Turmoils (1st January, 2100 - 31st December, 2110)
Fallout Period 
Tranquility Period