For those who missed the service of commemoration for Vanbrugh’s tercentenary, you can watch it on YouTube. 

I particularly recommend the magnificent address by Richard Chartres, the former Bishop of London, who managed to perfectly convey Vanbrugh’s roots in the City of London and the character of English nationalism at the time, as he described it, ‘of the rise of Great Britain from a second-rate, peripheral, European power to an intercontinental hegemon’:-

https://youtube.com/live/GJLc47jMY_A?si=tm0a78UQAvA-lqB1

And he unveiled an excellent plaque too:-