Ramayana
अक्षौहिण्यो हि तत्रासन्राघवार्थे समुद्यताः । भरतस्याज्ञया ऽनेकाः प्रहृष्टा बलवाहनाः ॥ 7-39-2 ॥
For many divisions of troops (akshauhinis), with their delighted forces and mounts, had been mustered there for Raghava's sake at Bharata's command.
english translation