Renaissance
The High Renaissance, which defined the period around the work of three famous painters, Raphael, Leonardo da Vinci, and Michelangelo, lasted this many years. (Closest without going over wins)
What is 35?
The Pennsylvania Renaissance Faire began in this year. (Closest without going over wins)
What is 1980?
St. Peter's Basilica, one of the most famous buildings of the Renaissance, took this long to build. (Closest without going over wins)
What is 150 years?
The first modern Renaissance pleasure faire was hosted in California in this year. (Closest answer without going over wins)
1963