12 October
A list of events which occurred on the 12th of October.

Lloyd A. Buswell is born.

Michael Bofshever is born.

Dan Abnett is born.

Second day of filming on  and . 

Fourth day of filming on .

 airs. Series finale.
Aron Eli Coleite is born.

Forty-eighth day of filming on . Originally this was scheduled to be Walter Koenig's last day of work.

Celia Lovsky dies.

Forty-second day of filming on .

 airs.
Third day of filming on .

Ito Aghayere is born.
Second day of filming on .
Seventh and final day of filming on .
Second revised final draft script for  is submitted.

 premieres in Argentina.

John Hancock dies.
 airs.

Third day of filming on .

Second day of filming on .
Twenty-seventh day of filming on . 

Last day of filming on .
Final draft script for  is submitted.

Seventh day of filming on .

Fourth day of filming on .

Seventh (and last) day of filming on .

Joe Rosen dies.

Seventieth day of filming on .
de:12. Oktober
es:12 octubre
it:12 ottobre
nl:12 oktober
pt:12 de outubro
sv:12 oktober