“In 1986 the Faisal Mosque in Islamabad was fully constructed.”

"In 1986 the Faisal Mosque in Islamabad was fully constructed."
Answer: "1986"

"The Faisal Mosque located in Islamabad is Pakistan’s largest mosque and a national landmark. Completed in 1986 it was designed by Turkish architect Vedat Dalokay and funded by Saudi Arabia’s King Faisal. Its unique contemporary design resembling a Bedouin tent and its capacity to accommodate over 100000 worshippers make it a significant cultural and religious site. Situated at the foot of the Margalla Hills it symbolizes Pakistan’s architectural innovation and its strong ties with Saudi Arabia attracting visitors and worshippers globally."