The royal massacre of Nepal occurred on Friday, (9:00 pm) June 1, 2001, at Narayanhiti Royal Palace, Kathmandu. Ten members, including King Birendra and Queen Aishwarya, was killed, five were injured. Prince Dipendra became de jure King of Nepal upon the King's death, died at Army hospital's coma, Chhauni three days later. Tribhuvan Sadan, northwest of Narayanhiti Palace, was the massacre place and the private residence of Prince Dipendra. Unfortunately, Tribhuvan Sadan was razed to the ground in 2005 and reconstructed in 2016.
Narayanhiti was converted to Narayanhiti Palace Museum by Prime Minister Girija Prasad Koirala on June 15, 2008. The museum was opened for the public on February 26, 2009, by Prime Minister Puspa Kamal Dahal (Prachanda). Now it opens Sunday to Saturday from 10:30 am to 4 pm except Tuesday and Wednesday. The museum ticket costs 500 Rupees for tourists, 250 Rupees for SAARC Nationals, 100 Rupees for Nepali and students with seniors get a discount. It suggests an hour visit to the museum, Tribhuvan Sadan, Shree Sadan with a garden.