François Ravaillac, a fanatic, assassinates Henry IV of France, who is succeeded by Louis XIII, then aged 9 (-1643), with Marie'de' Medici, the Queen Mother, as Regent (-1617). Concino Concini, her favourite, takes over direction of affairs from the Duke of Sully (who resigns his posts, Jan. 26th, 1611) and is created Marquis d'Ancre.
Editors. "Assassination of Henry IV of France". The Literary Encyclopedia. First published 01 January 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=2098, accessed 06 February 2016.]