Smallpox one-third of the cases resulted in blindness. These deaths included those of four reigning monarchs and a queen consort. In the 20th century smallpox killed 200-300 million people. Edward Jenner discovered in 1798 that vaccination could prevent smallpox. In 1967, the WHO intensified efforts to eliminate the disease. Smallpox is one of two infectious diseases to have been eradicated, the other being rinderpest in 2011. The term "smallpox" was first used in Britain in the 15th century to distinguish the disease from syphilis, which was then known as the "great pox". Other historical names for the disease include pox, speckled
To the Youth in Western Countries and the 2015 Beirut bombings. As of December 26, 2015, the letter has been translated to 62 languages in a collaborative effort conducted by The Representative of the Supreme Leader in the University of Mohaghegh Ardabili, Al-Mustafa International University graduates, the Ministry of Foreign Affairs, the IRIB World Service and the countries' respective embassies. In about two thousand words, Khamenei discussed the reasons for the worldwide wave of terrorism, calling it "our common worry". Among them he noted the impact that major Western powers had with their military operations in the Islamic world. He mentioned United States's alleged role in