300 BC — Part of the Great Ashoka’s Empire.
1343 — Part of the Gujarat sultanate.
1431 – Haji Ali Dargah built one of the First Mosques of India.
1670 — First printing press in India was imported to Bombay by Parsi businessman Bhimji Parikh.
1675 — The temple of Mumba Devi constructed Goddess of Kolis community of fisherman.
1735 — Start of India’s First ship building industry (Wadia docks, Duncan docks).
1750 — Asia’s First dry dock built by Lovji Wadia in Bombay.
1777 — Rustom Kersaspjee published the First news paper from Bombay.
1822 — Publication of India’s oldest news paper Bombay Samachar started by Fardunjee Marzban.
1853 — First train in India ran Bombay to Thane.
1854 — Establishment of First Cotton Mill.
1870 — Formation of Bombay Port Trust one of the First major corporation in India.
1872 — Foundation of First municipal corporation the Bombay Municipal Corporation.
1885 — Foundation of Indian National Congress.
1915 — Mahatam Gandhi returns to India from South Africa at Bombay to start his fight for Indian freedom struggle.
1926 — India’s First motorised bus ran between Afghan Church and Crawford Market.
1932 — J. R. D. Tata Business tycoon flies the first flight in India from Karachi to Bombay.
1934 — UDCT established. First institute dedicated to research in Chemical Engineering in India.
1942 — Quit India Movement declaration passed at Gowalia Tank Maidan.