The 21st century is the current century in the Anno Domini or Common Era, according to the Gregorian calendar. It began on January 1, 2001, and will end on December 31, 2100
. This century is marked by significant global developments such as the rise of a global economy, technological innovation, and increased urbanization. Key events include the September 11 attacks in 2001, the COVID-19 pandemic starting in 2020, and ongoing geopolitical conflicts. Technological advances include widespread internet access, mobile device proliferation, artificial intelligence progress, and expanded space exploration
. The 21st century is also characterized by societal shifts, including changes in education and workforce skills, often referred to as "21st Century Skills," which emphasize critical thinking, creativity, collaboration, communication, and digital literacy to prepare individuals for a rapidly evolving world
. In summary, the 21st century spans the years 2001 to 2100 and is defined by profound technological, social, economic, and geopolitical transformations shaping modern human life
