450 year
100 people
Winchester Cathedral in Hampshire, England went through several phases of building and rebuilding. The original structure, called "Old Minster,' was founded in 642. Construction on the existing cathedral first began in 1079, and the church was consecrated in 1093, with fourteen years between construction's inception and completion.
20 years
20 years
There are many: the Leaning Tower of Pisa, the Coliseum, the Roman Forum, St Peter's Basilica, St Peter's Square, Trevi Fountain, Milan Cathedral, the Monreale Cathedral. the Ponte Vecchio bridge, and the Rialto Bridge.
7
The Visconti dynasty ruled the duchy of Milan during the period 1277 to 1447. They were responsible for the constrruction of the Duomo, or Milan Cathedral. At various times their holdings included many other cities, notably Pavia, Verona, all of Lombardy, Como, Ticino and Pisa. The last Visconti had a daughter who married a Sforza, who then established the next ruling dynasty in Milan.
London has many cathedrals, including St Paul's Cathedral, Westminster Cathedral, Southwark Cathedral and St George's Cathedral.
25 years they want to build the Washington monument
It toke 8 years to build the Erie Canal.
15 years in total
there are 4 Cathedrals in London Westminster cathedral Southwark Cathedral St. George Cathedral St. Paul's Cathedral