This from the Anime News Network!

A special July 6 event will commemorate the 20th anniversary of Naoko Takeuchi‘s Sailor Moon manga at Tokyo’s nicofarre hall. Anime voice cast members Kotono Mitsuishi (Sailor Moon/Usagi Tsukino) and Tohru Furuya (Tuxedo Mask/Mamoru Chiba) will be present at the event along with Kodansha editor Fumio Osano for a discussion panel.

Idol group Momoiro Clover Z will be musical guests at Japan Expo in France on July 6, but they will perform via a live video feed for the Sailor Moon event. Japan Expo’s website lists a surprise event with the group and Kodanshaat J.E. Live House from 1:00 p.m. to 2:00 p.m (8:00 p.m. to 9:00 p.m. Japan Standard Time).

The Sailor Moon event will also stream live via niconico. Doors opens at 7:00 p.m. before the event’s start time of 7:30 p.m.