2008-2011 - Each member starts posting dance cover videos to NND. They start out posting as individuals or in groups with other odorite, but get to know each other through social media and performing at NND events. They start to collaborate on other dance covers, including the formation of Boys' School 2nd Year Class 5.
13th January - 30th March 2012 - Shirofuku is one of three hosts of the weekly NicoRadio Friday show. As a reward for his hard work, in the final broadcast he receives a video message from Suzuki Kanon, his favourite Morning Musume. member, asking him to dance to their song Ren'ai Hunter.
10th May 2012 - The '11 Boys Tried to Dance to Ren'ai Hunter' video is posted, marking the formation of Musumen.
10th October 2012 - After posting their 2nd video Wakuteka Take a Chance, K'suke leaves the group.
24th March 2013 - Musumen. hold their first concert at Osaka's am hall. The show includes solo and group covers of Hello! Project and Vocaloid songs among others. They also debut their first original song, War Cry ~What's Wrong With Pretending to be an Idol!~, which was released on 27th April.
27th April 2013 - Musumen. perform their new single at NicoNico Cho Party II and Asupara graduates from the group.
29th April 2013 - Musumen. hold a second concert in Tokyo. A surprise announcement is made that Tomitake will be joining the group as a new member.
October 2013 - January 2014 - Musumen. embark on their first nationwide tour, ~Narikiri☆DanshiING~.
19th October 2013 - Kimagure Prince is announced as the group's subleader.
4th January 2014 - The tour final is held at a sold-out Shinjuku BLAZE. Nichan announces he will be taking an indefinite hiatus from Musumen. and dancing in general due to work complications.
English captions available.
English captions available.
26th April 2014 - Musumen. release their 1st album Wonder Dream. Around this time, Shirofuku, Kimagure Prince, Tomitake and Zeararu. start renting a house together in Tokyo, which becomes a base for the group's activities. They start to appear at more events, and embark on their 2nd nationwide tour.
12th September 2014 - Musumen. perform overseas for the first time at Tokyo Crazy Kawaii in Taiwan.
2nd January 2015 - Musumen. hold their Hop Step Zeeeeeeeeeepp!! concert at Zepp DiverCity Tokyo, then their biggest venue. It is announced that their summer tour finale will be held at Nakano Sunplaza.
25th - 28th March 2015 - Musumen. hold their first play INNOCENT BOYS, which features on the album 2222.
16th August 2015 - Musumen. achieve their dream of performing at Nakano Sunplaza to an audience of 2222, and Nichan returns to the group. Following this, the majority of members quit their day jobs to become full-time idols and they ramp up the intensity of their activities.
April 2016 - January 2017 - The group embark on their 47-prefecture tour, visiting every region in Japan.
2nd July 2016 - Zeararu. announces he will be graduating from Musumen.
16th November 2016 - Traffic Light. make their major debut with the single Dance Dance!! / Traffic Jam.
22nd January 2017 - Zeararu. graduates from Musumen. at Nakano Sunplaza, their final performance as a 10-member group.
3rd February 2017 - The group announce their new name will be MeseMoa.
20th April 2017 - Following the release of the Shadow Kiss and Love Cheer music videos, the group go viral internationally, and MeseMoa.'s YouTube channel surpasses 100,000 subscribers.
24th April 2017 - They release Secret, their 1st album as MeseMoa. and 4th album in total.
1st May 2017 - Zeararu. establishes DD Company.
31st October 2017 - MissMoa. make their official debut at Ultimate Halloween in Shibuya.
19th May 2018 - MeseMoa. perform outside of Asia for the first time at Dokomi in Germany.
4th August 2019 - MeseMoa. perform to a sold-out crowd of 5000 people at Pacifico Yokohama, their largest audience yet.
2020-2021 - Many of their events are cancelled or postponed due to the Covid-19 pandemic. MeseMoa. and DD Company as a whole have to rethink their strategies for this period, introducing online meet and greets as well as livestreamed performances.
29th April 2021 - MeseMoa. perform to a socially distanced audience at Makuhari Messe, their largest venue so far. This was the first big performance they were able to hold since the cancellation of the GALAXY. 5 tour in 2020 due to the pandemic.
4th May 2022 - At the finale of their 10th anniversary tour, MeseMoa. announce their first Nippon Budokan concert for 14th March 2023.
16th June 2022 - Shirofuku and Forgeru announce their decision to graduate from MeseMoa. at the end of 2023.
14th March 2023 - MeseMoa. hold their Messa9e More concert at a sold-out Nippon Budokan, achieving their long-held dream. There it is announced that their final concert with the current lineup would be held in December at Yokohama Arena.
16th March 2023 - Shirofuku, Nibansenji and Nichan begin a 3-month hiatus.