Table:
text: List of Monegasque consorts
Princely consort of Monaco
Princely consort of Monaco
Name_ Birth Marriage Became_Consort Ceased_to_be_Consort Spouse
Maria Caroline Gibert de Lametz 18 July 1793 27 November 1816 2 October 1841 husband`s accession 20 June 1856 husband`s death Florestan I
Antoinette de Mérode 28 September 1828 28 September 1846 20 June 1856 husband`s accession 10 February 1864 Charles III
Alice Heine 10 February 1858 30 October 1889 30 October 1889 26 June 1922 husband`s death Albert I
Ghislaine Dommanget 13 October 1900 24 July 1946 24 July 1946 9 May 1949 husband`s death Louis II
Grace Kelly 12 November 1929 18 April 1956 18 April 1956 14 September 1982 Rainier III
Charlene Wittstock 25 January 1978 1 July 2011 1 July 2011 Incumbent Albert II

Question: On what date did the woman married to Louis II become a consort in the list of Monegasque consorts?