2021

2021 is the common year starting on Friday. (see link for calendar)
align="center" colspan=2 | Years:
2018 2019 2020 - 2021 - 2022 2023 2024
align="center" colspan=2 | Decades:
1990s 2000s 2010s - 2020s - 2030s 2040s 2050s
align="center" | Centuries:
20th century - 21st century - 22nd century
Events Fictional references to the year

 

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46 bc
220
221
history of north america
history of south america
390s bc
370s bc
380s bc
47 bc
45 bc
360s bc
350s bc
330s bc
320s bc
310s bc
300s bc
research institute of crop production
2016
european biomass association
2017
2018
2019
2060s
czech biomass association
290s bc
2020
buckingham pi theorem
automatism
low countries
half dome
probability and statistics
fundamental theorem of algebra
twin prime conjecture
nikos kazantzakis
mathematical constant
carbonic acid
integer sequence
p adic number
somaliland
cantor's diagonal argument
british somaliland
hyperreal number
surreal number
sedenion