English architect and dramatist John Vanbrugh
Is commissioned to begin Blenheim Palace.
Designs Castle Howard in Yorkshire.
New Schleissheim Palace near Munich in Bavaria, designed by Enrico Zuccalli, is completed.
Cound Hall, Shropshire, England, designed by John Prince or Price, is completed.
Burgh House, Hampstead, London is built.
Church of the Ascension, Hall Green, Birmingham, England, probably designed by Sir William Wilson, is consecrated.
Hirado Castle in Nagasaki (Japan) is begun by Shigenobu Matsura, 29th lord of the Matsura clan.
March 6 (bapt.) - Isaac Ware, English architect (died 1766)
August 26 (bapt.) - John Wood, the Elder, English architect working in Bath (died 1754)
Paolo Falconieri, Florentine architect, painter and mathematician (born 1638)
1704 in architecture Wikipedia
The year 1704 in architecture involved some significant events.