Fate/Grand Order, a free-to-play Japanese gacha mobile game, was released in Japan for Android devices. The game is based on Type-Moon's Fate/stay night franchise.

The iOS version of Fate/Grand Order was released in China.

An animated television film special adapting the game's prologue, Fate/Grand Order: First Order, aired.

A sub-sequel to the main storyline of Fate/Grand Order, titled "Epic of Remnant", was announced.

Aniplex of America announced that Fate/Grand Order would be released in the United States.

Kodansha started serializing the second manga series, -turas réalta-.

Fate/Grand Order was released in Korean.

A second animation short, Fate/Grand Order: Moonlight/Lostroom, aired.

A special animation short, Fate/Grand Order x Himuro's World: Seven Most Powerful Great Figures Chapter, aired.

The sequel, "Cosmos in the Lostbelt", was officially released as an expansion to the main game on the Japanese server.

The North American server of Fate/Grand Order was made officially accessible in Australia, Philippines, Singapore, Thailand, and Vietnam.

Sega released the arcade version of Fate/Grand Order in Japan.

Sega had sold 10 million cards for the Fate/Grand Order Arcade game, grossing ¥1 billion in card sales revenue.

A second stage play based on the Babylonia singularity, played at Sankei Hall Breeze in Osaka.

A second stage play based on the Babylonia singularity, played at Nippon Seinenkan Hall in Tokyo.

An anime adaptation of the seventh chapter of the game aired.

A mobile rhythm game, Fate/Grand Order: Waltz in the Moonlight/Lostroom was released by Aniplex as a limited download game for the franchise's 5th anniversary and was available for Japanese players only.

The first of two films, subtitled Wandering; Airgetlám, was slated to premiere, but was delayed to December 5, 2020 due to the COVID-19 pandemic.

The first part of the OVA Fate/Grand Carnival premiered.

A theatrical film adaptation of the final chapter of the first part of the game, Fate/Grand Order: Final Singularity-Grand Temple of Time: Solomon, was released in theaters.

Aniplex of America licensed the OVA series Fate/Grand Carnival, opening an English version of the site.

Delightworks announced that it would spin off its entire game division, including the Grand Order development team, to a new company.

Delightworks' game division was established under the name Lasengle.

Aniplex acquired the shares of Lasengle.

Aniplex ended services in Vietnam due to Vietnamese regulations rules.

An anime adaptation of the Fate/Grand Order: You've Lost Ritsuka Fujimaru comedy manga was announced during the annual Fate Project New Year's Eve TV Special.