Former events (2021)

Former events
Previous 2020	Next 2022

A list of events in the Global server of Arknights that are released from January 1, 2021 to December 31, 2021.

Event	CN date	Global date	TW date
Interlocking Competition Hymnoi Wisdom	July 2, 2021 – July 9, 2021	December 29, 2021 – January 8, 2022	April 6, 2022 – April 13, 2022
Twilight of Wolumonde Rerun	June 27, 2021 – July 7, 2021	December 17, 2021 – December 31, 2021	March 22, 2022 – April 1, 2022
Preluding Lights	June 1, 2021 – June 8, 2021	December 9, 2021 – December 19, 2021	March 8, 2022 – March 15, 2022
2021 Login Event	Not released in CN	November 25, 2021 – December 9, 2021	Not released in TW
Contingency Contract Spectrum	May 15, 2021 – May 29, 2021	November 11, 2021 – November 25, 2021	February 15, 2022 – March 1, 2022
Under Tides	May 1, 2021 – May 15, 2021 As Arknights CN's 2nd anniversary event	October 21, 2021 – November 4, 2021 As the 2021 Gift of the Deep Ones event	January 26, 2022 – February 9, 2022
A Walk in the Dust	April 15, 2021 – April 29, 2021	September 30, 2021 – October 14, 2021	January 11, 2022 – January 25, 2022
Darknights Memoir Rerun	March 30, 2021 – April 13, 2021	September 7, 2021 – September 21, 2021	December 9, 2021 – December 20, 2021
Operation Originium Dust	March 9, 2021 – March 23, 2021	August 18, 2021 – September 1, 2021	September 9, 2021 – September 23, 2021
Who is Real	February 5, 2021 – February 19, 2021 As the Chinese New Year 2021 event	July 30, 2021 – August 13, 2021 As Arknights Global's 1.5th anniversary event	December 23, 2021 – January 6, 2022
Contingency Contract Lead Seal	January 19, 2021 – February 2, 2021	July 13, 2021 – July 27, 2021	November 25, 2021 – December 9, 2021
Beyond Here	January 5, 2021 – January 12, 2021	July 6, 2021 – July 16, 2021	November 11, 2021 – November 18, 2021
Mansfield Break	December 17, 2020 – January 7, 2021	June 22, 2021 – July 13, 2021	October 28, 2021 – November 11, 2021
Contingency Contract Cinder	November 15, 2020 – November 29, 2020	May 28, 2021 – June 11, 2021	September 23, 2021 – October 7, 2021
Coexistence	March 3, 2020 – March 17, 2020	May 19, 2021 – June 2, 2021	May 16, 2023 – May 30, 2023
Code of Brawl Rerun	December 1, 2020 – December 11, 2020	May 14, 2021 – May 24, 2021	October 14, 2021 – October 25, 2021
Fan Appreciation Event	November 1, 2020 – November 15, 2020 As Arknights CN's 1.5th anniversary event	April 30, 2021 – May 14, 2021	August 26, 2021 – September 9, 2021
Maria Nearl	October 15, 2020 – November 5, 2020	April 8, 2021 – April 22, 2021	August 12, 2021 – August 26, 2021
Rewinding Breeze	September 24, 2020 – October 1, 2020	March 25, 2021 – April 4, 2021	July 29, 2021 – August 9, 2021
The Great Chief Returns	August 25, 2020 – September 15, 2020	February 25, 2021 – March 11, 2021	June 24, 2021 – July 8, 2021
Contingency Contract Blade	July 28, 2020 – August 11, 2020	February 4, 2021 – February 18, 2021	July 15, 2021 – July 29, 2021
Heart of Surging Flame Rerun	August 11, 2020 – August 25, 2020	January 20, 2021 – February 3, 2021	June 10, 2021 – June 20, 2021
Addendum
Operation Originium Dust also includes Multivariate Cooperation Defence Protocols. Fan Appreciation Event also includes the introduction of Episode 08. The Great Chief Returns also includes Ceobe's Fungimist, which lasted for an additional week.