The seven islands of Mumbai passed through many hands, the sultans of Gujarat , the Portuguese and the British. Every ruler left behind proof of residence in Mumbai.
The Mauryans left behind the Kanheri, Mahakali and the caves of Gharapuri more popularly called Elephanta. The sultans of Gujarat built the Dargahs at Mahim and Haji Ali, the Portuguese built the two Portuguese churches, one at Prabhadevi and the other St Andrews at Bandra.
They built forts at Sion, Mahim, Bandra and Bassien. The Portuguese named the group of seven Islands 'Bom Baia', Good Bay . The British built a city out of the group of seven islands and called her Bombay .
The original settlers of the seven islands, the Koli fishermen, worshiped Mumbaidevi, her temple still stands at Babulnath near Chowpatty. The Kolis called the island Mumbai, 'Mumba, Mother Goddess'.
In 1662, King Charles II of England married the Portuguese Princess Catherine of Braganza, and received the seven islands of Bom Baia as part of his dowry. Six years later, the British Crown leased the seven islands to the English East India Company for a sum of 10 pounds in gold per annum. It was under the English East India Company that the future megapolis began to take shape, after the first war for independence Bombay once again became a colony of the British Empire .
History has forgotten this but the first Parsi settler came to Bombay in 1640, he was Dorabji Nanabhoy Patel. In 1689-90, a severe plague epidemic broke out in Bombay and most of the European settlers succumbed to it. The Siddi of Janjira attacked in full force. Rustomji Dorabji Patel, a trader and the son of the city's first Parsi settler, successfully defeated the
Siddi with the help of the Kolis and saved Bombay .
Gerald Aungier, Governor of Bombay built the Bombay Castle , an area that is even today referred to as Fort. He also constituted the Courts of law. He brought Gujarati traders, Parsi shipbuilders, Muslim and Hindu manufacturers from the mainland and settled them in Bombay .
It was during a period of four decades that the city of Bombay took shape. Reclamation was done to plug the breach at Worli and Mahalakshmi, Hornby Vellard was built in 1784. The Sion Causeway connecting Bombay to Salsette was built in 1803. Colaba Causeway connecting Colaba island to Bombay was built in 1838. A causeway connecting Mahim and Bandra was built in 1845.
Lady Jamsetjee Jeejeebhoy, the wife of the First Baronet Jamsetjee Jeejeebhoy donated Rs 1, 57,000 to meet construction costs of the causeway. She donated Rs. 1,00,000 at first.. When the project cost escalated and money ran out half way through she donated Rs 57,000 again to ensure that the vital causeway was completed. Lady Jamsetjee stipulated that no toll would ever be charged for those using the causeway. Today Mumbaikars have to pay Rs 75 to use the Bandra-Worli Sealink, connecting almost the same two islands. Sir J J Hospital was also built by Sir Jamsetjee Jeejeebhoy.
The shipbuilding Wadia family of Surat was brought to Bombay by the British. Jamshedji Wadia founded the Bombay Port Trust and built the Princess Dock in 1885 and the Victoria Dock and the Mereweather Dry Docks in 1891. Alexandra Dock was built in 1914.
A Gujarati civil engineer supervised the building of the Gateway of India . The Tatas made Bombay their headquarters and gave it the iconic Taj Mahal Hotel and India 's first civilian airlines, Air India . The Godrejs gave India its first vegetarian soap.
Cowasji Nanabhai Daver established Bombay 's first cotton mill, 'The Bombay Spinning Mills' in 1854. By 1915, there were 83 textile mills in Bombay largely owned by Indians.
This brought about a financial boom in Bombay . Although the mills were owned by Gujaratis, Kutchis, Parsis and Marwaris, the workforce was migrant Mahrashtrians from rural Maharashtra . Premchand Roychand, a prosperous Gujarati broker founded the Bombay Stock Exchange. Premchand Roychand donated Rs 2,00,000 to build the Rajabai Tower in 1878.
Muslim, Sindhi and Punjabi migrants have also contributed handsomely to Mumbai.
Apart from its original inhabitants, the Kolis, everyone else in Mumbai, are immigrants.
When the Shiv Sena came to power in 1993, under the guise of reverting to the original name they replaced Bombay with Mumbai.