|1 =
- Upcoming anniversaries include: Tohoku Zunko on the 5th.
|5 =
- 2014: Tohoku Zunko was released.
|8 =
- 2011: VOCALOID3 was officially revealed by Yamaha Corporation on a NicoNico Live stream.
|14 =
- Upcoming anniversaries include: SF-A2 miki V4 and Nekomura Iroha V4 on the 18th, ZOLA PROJECT V6 on the 20th, ZOLA PROJECT original on the 21th, AI Otomachi Una on the 22nd, Yuezheng Longya on the 24th, Megpoid on the 26th, IA ROCKS on the 27th, and Sweet ANN on the 29th.
|18 =
- 2015: SF-A2 miki V4 and Nekomura Iroha V4 were released.
|20 =
- 2023: ZOLA PROJECT V6 was released.
|21 =
- 2013: The original ZOLA PROJECT was released.
|22 =
- 2023: AI Otomachi Una was released.
|24=
- 2017: Yuezheng Longya was released.
|26 =
- 2009: Megpoid was released.
|27 =
- 2014: IA ROCKS was released.
|28 =
- Upcoming anniversaries include: MIRIAM on the 1st and/or 20th of July.
|29 =