Question: តើនៅពេលណាដែលខ្សែភាពយន្តស្តេចតោដំបូងបានបង្កើតឡើង
Answer: 19 ខែកក្កដា 2019; 19 07 2019; 07 19 2019; 19-07-2019; 19 ខែកក្កដា 2019; 2019 ខែកក្កដា 19; 07/19/2019; 07-19-2019; 2019 07 19; 2019 july, 19; 2019-07-19; 19/07/2019