WikiMoon:Anniversaries/July 21
- Makoto Togashi, the second actor to play Kraken in the Sailor Moon musicals, was born on this day in 1973.
- Nana Suzuki, the first actress to play Minako Aino/Sailor Venus in the Sailor Moon musicals, was born on this day in 1975.
- Episode 113 of the English dub, "Next in Line," premiered on US TV on this day in 2000.
- The musical Mugen Gakuen - Mistress Labyrinth opened on this day in 2002.
- Kisara Matsumura, the twenty-first actress to play Makoto Kino/Sailor Jupiter in the Sailor Moon musicals, was born on this day in 2003.