- 1956
CTHumanities dates the beginning of Greco’s Holy Land project to this year. [3]
- 1958
The official Holy Land organization dates the attraction’s first public opening to this year. [2]
- 1984
Greco closes the attraction. [3]
- 1985–1989
Photographs and preservation correspondence now held by SPACES document the site and efforts to save it. [4]
- 1986
Greco dies; the Religious Teachers Filippini inherit the property. [3]
- 2008
A steel cross replaces the previous cross, according to the official history. [1]
- 2013
O’Leary and Blasius purchase the property; a new LED cross becomes part of its renewal. [3] [1]
- September 2014
Holy Land reopens while restoration work continues. [3]