Slovenian troops surprised and disarmed the Green Guard early in the morning of 23 November .
They organised a military unit called the Green Guard ( Schutzwehr ) , and approximately 400 well - armed soldiers of this unit opposed the pro-Slovenian and pro-Yugoslav Major Maister .
pro-Slovenian troops surprised and disarmed the Green Guard early in the morning of 23 November .
They organised a military unit called the Green Guard ( Schutzwehr ) , and approximately 400 well - armed soldiers of this unit opposed the pro-Slovenian and pro-Yugoslav Major Maister .