Ilyas Shahi Dynasty of Bengal

Timeline

1. 1371–1375Fort of Ekdala · West BengalAfter the Treaty of Ekdala in 1359 Bengal maintained diplomatic peace with the Delhi Sultanate. Sikandar Shah continued his father Shamsuddin Ilyas Shah's unification work, consolidating control over Sonargaon, Satgaon, and Lakhnauti, and sending envoys and tribute to Delhi to maintain good relations.
2. 1375–1380Adina Mosque, Pandua · West BengalSikandar Shah built the grand Adina Mosque at Pandua, unmatched in size anywhere in the Indian subcontinent at the time, becoming a landmark of Ilyas Shahi power and Islamic cultural identity. Public works such as the gates of Gaur were also built in the same period.
3. 1376–1380Kamarupa (Assam) frontier · AssamSikandar Shah completed his father's unfinished expedition into Assam (Kamarupa), pushing his power to the Kamrup and Guwahati area. Coin inscriptions issued in the 1370s show his rule covering Bengal's core and vast northeastern frontier regions.