During which historic Islamic battle did the Miracle of the Angels (Malaikah) descending to assist the Muslim army take place?

Explanation

The Battle of Badr took place on 17th Ramadan, 2 AH (624 AD). A Muslim army of 313 ill-equipped men defeated a Quraish force of 1,000 soldiers. Allah sent divine aid by sending 1,000 angels to fight alongside the believers, as recorded in Surah Ali ‘Imran and Surah Al-Anfal. Badr is designated in the Quran as ‘Yawm al-Furqan’ (The Day of Criterion).