Carole Souter, chief executive of the Heritage Lottery Fund, said that the cash would also help promote tourism:
"We know that heritage is a huge draw for visitors from home and abroad.
"More than a quarter of all UK holiday activities undertaken by UK residents now involve heritage.
"These projects all offer the public the chance to explore and enjoy our rich and complex history."
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Stephen Port, 41, is already accused of drugging and murdering four men he met on gay websites before dumping their bodies near a church.
Wilkins, who played for Chelsea and Manchester United, was arrested on July 1 near Heathrow Airport and and charged with drink-driving.