On this day – 16th May

1770   Marie Antoinette, at age 14, married the future King Louis XVI of France, who was 15.

1881   In Germany the first electric tram for the public started service.
1920   Joan of Arc was canonized in Rome
1960   A Big Four summit in Paris collapsed due to the American U-2 spy plane incident.
1969   Venus 5, a Russian spacecraft, landed on the planet Venus.
1997  In Zaire, President Mobutu Sese Seko gave control of the country to rebel forces ending 32 years of autocratic rule.