Complex sentence: On April 18,1988 he married his first wife Pam at Fort Bliss, Texas, and on June 21st 1990 he receive an honorable discharge from the army.
Split into simpler sentences: On April 18,1988 he married his first wife Pam at Fort Bliss, Texas. Not long after, on June 21st 1990, he received an honorable discharge from the army.