Tehran, Iran – Government supporters have taken to the streets in Iran to celebrate the anniversary of a referendum nearly half a century ago that solidified the Islamic Republic’s hold on power, even as the United States and Israel continued their attacks on the country.President Masoud Pezeshkian and Foreign Minister Abbas Araghchi were among officials who joined pro-establishment rallies on the streets of Tehran on Tuesday night to mark Islamic Republic Day, when the nascent theocratic system in 1979 announced it had garnered 98.2 percent of the popular vote shortly after an Islamic revolution.Recommended Stories list of 3 itemsend of listShortly after and in the early hours of Wednesday morning, Washington bombed the site of the former US embassy in Tehran, in an apparent move tied to the symbolism of Islamic Republic Day. Footage from state media showed destruction and debris and smoke in the area, which is guarded by the Islamic Revolutionary Guard Corps (IRGC).On Wednesday afternoon, authorities hoisted what they said was Iran’s tallest and heaviest flag at 150 metres (492 feet) and 300kg (660 pounds) in an area of downtown Tehran.Festivities began on Tuesday night, and more gatherings are expected on Wednesday night, as political, military and religious leaders say followers must ensure security on the streets, backed by armed forces, to fend off any local dissent and incitement towards regime change from opponents.Araghchi, Tehran’s top diplomat, who told Al Jazeera in an interview on Tuesday that he …