Paris in the 16th century Wars of Religion (1562-1598). Paris was the stronghold of the Catholic League. On the night of August 23–24, 1572, while many prominent Protestants from all over France were in Paris on the occasion of the marriage of Henri of Navarre—the future Henry IV—to Margaret of Valois, sister of Charles IX, the royal council decided to assassinate the leaders of the Protestants. The targeted killings quickly turned into a general slaughter of Protestants by Catholic mobs, known as St. Bartholomew's Day massacre, and continued through August and September, spreading from Paris to the rest of the country. About three thousand Protestants
European Day of Radiology established in 2011. The first and only European Day of Radiology was held on February 10, 2011 to commemorate the anniversary of Röntgen's death. European Day of Radiology The European Day of Radiology (EDoR) is an annual day of action that will take place for the first time on February 10, 2011. The day is an initiative of the European Society of Radiology, an organisation that represents the interests of radiology and its practitioners throughout Europe and also hosts the European Congress of Radiology. The European Day of Radiology will be held for the first time on February 10, 2011,