the Second Temple: Cyrus: Gave a Decree for Building, in the First Year of his Reign
Source: TTT
Ezra 1:1, 2
In the first year of Cyrus king of Persia, to fulfill the word of the LORD spoken through Jeremiah, the LORD stirred the spirit of Cyrus king of Persia to send a proclamation throughout his kingdom and to put it in writing as follows: / “This is what Cyrus king of Persia says: ‘The LORD, the God of heaven, who has given me all the kingdoms of the earth, has appointed me to build a house for Him at Jerusalem in Judah.
Ezra 6:3
In the first year of King Cyrus, he issued a decree concerning the house of God in Jerusalem: Let the house be rebuilt as a place for offering sacrifices, and let its foundations be firmly laid. It is to be sixty cubits high and sixty cubits wide,