2021 is the common year starting on Friday. (see link for calendar)

Years: 2018 2019 2020 - 2021 - 2022 2023 2024

Decades: 1990s 2000s 2010s - 2020s - 2030s 2040s 2050s

Centuries: 20th century - 21st century - 22nd century

Events

• The song Happy Birthday is scheduled to go into the public domain (as of 2002)

Fictional references to the year

• P.D. James's dystopian novel The Children of Men (1992) is set in the England of 2021.
• In the fictional movie The Terminator (1984), while under LAPD interrogation in 1984, Kyle Reese (played by actor Michael Biehn) states 2021 was the year he joined the human resistance.
• The cartoon series Sealab 2021 is set in 2021.