Srimad Bhagavatam Canto 10, Chapter 83, Text 20

SB 10.83.20

srutvaitat sarvato bhu-pa
 ayayur mat-pituh puram
sarvastra-sastra-tattva-jñah
 sopadhyayah sahasrasah
 
Translation: 
 
Hearing of this, thousands of kings expert in shooting arrows and in wielding other weapons converged from all directions on my father’s city, accompanied by their military teachers.
Srimad Bhagavatam Canto 10, Chapter 83, Text 19
Srimad Bhagavatam Canto 10, Chapter 83, Text 21