21 July
A list of events which occurred on the 21st of July.

Vince Howard is born. 

Gordon Coffey is born.

Ike Eisenmann is born.

Suzanne Ircha is born.

Third day of filming on .

Second day of filming on . 
Third set of revised pages for final script draft for  are submitted.
Special effects footage, using the refurbished 11-foot Enterprise studio model are filmed by The Westheimer Company for .

Sixth day of filming on .
Pickup shots are filmed for .
First draft script for  is submitted.
First draft script for  is submitted.

Christopher Shea is born.

Raven Dauda is born.
The Thirty-Sixth UK Story Arc continues in Valiant & TV21 #95 with the fifth of sixteen installments.

Last strip of the The Savage Within comic arc is published.
Design patent for a phaser is issued.

Johnny is born.

Fifth day of filming on .
Second part of a special behind-the-scenes look on the filming of  is shown on the program Entertainment Tonight, hosted by John Tesh.

First day of filming on .

First day of filming on .

Second day of filming on .
CIC Video releases The Original Series volume 2.8, Deep Space Nine volume 5.9 and Voyager volume 3.9 on VHS in the UK.

Fourth day of filming on .
Fourth day of filming on .

Second unit scenes are filmed for ,  and .

Sixth day of filming on .

Matt Jefferies dies.
First day of filming on .

Jerry Goldsmith dies.
Fifth day of filming on .

Remastered version of  airs.

Tony Epper dies.
Lloyd Kino dies.

Theodore Bikel dies.
Eighteenth day of filming on .

 premieres in Albania, Austria, Australia, Azerbaijan, Belarus, Bosnia and Herzegovina, Cambodia, Cyprus, Denmark, Egypt, Georgia, Germany, Hong Kong, Hungary, Italy, Kazakhstan, Kuwait, Lebanon, Malaysia, the Netherlands, New Zealand, Peru, Russia, Serbia, Singapore, Switzerland, Taiwan, Ukraine, and the United Arab Emirates.

Terry Windell dies.

Brock Lumarque dies.

de:21. Juli
es:21 julio
it:21 luglio
nl:21 juli
pt:21 de julho
ru:21 июля
sv:21 juli