Bābar‘s Masjid at Ayodhyā was built in A.H. 930, or A.D. 1523, by Mīr Khān, on the very spot where the old temple Janmāsthānam of Rāmachandra was standing.
Source, in full
(Führer 1889: 67) Führer, A. 1889. The Sharqi Architecture of Jaunpur; with notes on Zafarabad, Sahet-Mahet and Other Places in the North-Western Provinces and Oudh, J. Burgess, (ed.), Archaeological Survey of India, Calcutta.