 On 4 November 1995, Israel's prime minister, Yitzhak Rabin, was assassinated at a rally in Tel Aviv in support of the Oslo peace accord.The outdoor plaza where this occurred, formerly known as Kikar Malchei Yisrael, was renamed Rabin Square.New laws were introduced to protect Modernist buildings, and efforts to preserve them were aided by UNESCO recognition of the Tel Aviv's White City as a world heritage site in 2003.