2021 is a common year beginning on a Friday of the Gregorian calendar, the 2021st year of the Common Era (CE) and Domini Anno Domini (AD) designations, the 21st year of the 3rd Millenium, the 21st year of the 21st Century and the 2nd year of the 2020s decade.
2021 was heavily defined by a slew of burgeoning geopolitical tensions and the end of the 2019-2021 coronavirus pandemic, seeing a once depressed global economy on the path to rebounding and vaccine research progress accelerated. 2021 is also believed to be the true beginning of the Fourth Industrial Revolution, setting the world on a path of rapid technological advancement, automation and technological integration that would alter the course of humanity as we knew it.
January 3rd 2021: The 113th United States Congress officially begins. In the 2020 U.S. elections, the Democrats were able to regain control of the Senate and retain their majority in the House of Representatives, with Nancy Pelosi remaining as Speaker of the House. Massachusetts' Senator Elizabeth Warren succeeded Mitch McConnell as Senate Majority Leader after Chuck Schumer had declined to take on the role. Representing the GOP, Josh Hawley became the new Senate Minority Leader, succeeding Schumer, who represented the Democratic Party.