Final answer:
The first construction of the Golden Temple was completed in 1604. It is a significant site in Sikhism located in Amritsar, India, and symbolizes a blend of Hindu and Islamic architecture.
Step-by-step explanation:
The Golden Temple, also known as Harmandir Sahib, is a highly sacred site in Sikhism located in Amritsar, Punjab, India. The completion of the first construction phase of the Golden Temple was in the year 1604. The temple's foundation was laid by the Sikh guru, Guru Ram Das, in the late 16th century, and it was Guru Arjan, the fifth Sikh Guru, who completed the construction. This site represents a unique blend of Hindu and Islamic architectural styles and has become a symbol of brotherhood and equality among people.