Question: On what date did the woman who appointed the 1884 Birthday Honours become Queen?
Context: The 2016 Queen's Birthday Honours are appointments by some of the 16 Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries.  The Birthday Honours are awarded as part of the Queen's Official Birthday celebrations during the month of June.  The Queen's Birthday Honours were announced on 6 June 2016 in New Zealand and 10 June in the United Kingdom. The 1884 Birthday Honours were appointments by Queen Victoria to various orders and honours to reward and highlight good works by citizens of the British Empire.  The appointments were made to celebrate the official birthday of The Queen, and were published in the "London Gazette" on 25 May 1894.  and in "The Times" on 26 May 1894. The 2013 Birthday Honours were appointments by some of the 16 Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries.  The Birthday Honours are awarded as part of the Queen's Official Birthday celebrations during the month of June.  The Queen's Birthday Honours were announced on 15 June 2013 in the United Kingdom, on 10 June 2013 in Australia on 3 June 2013 in New Zealand, on 15 June 2013 in Grenada, Papua New Guinea, Solomon Islands, Tuvalu, Saint Lucia and Belize. The 2015 Queen's Birthday Honours are appointments by some of the 16 Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries.  The Birthday Honours are awarded as part of the Queen's Official Birthday celebrations during the month of June.  The Queen's Birthday Honours were announced on 1 June 2015 in New Zealand, on 8 June in Australia, and on 12 June in the United Kingdom, in Grenada, Papua New Guinea, Solomon Islands, Tuvalu, Saint Lucia and Belize. King's/Queen's Birthday Honours is, in some Commonwealth realms, the marking of the reigning monarch's official birthday by granting various individuals appointment into national or dynastic orders or the award of decorations and medals.  The honours are presented by the monarch or a viceregal representative.  New Year Honours and Birthday Honours are bestowed each year.  All royal honours are published in the relevant gazette, and the daily newspapers of each realm. Victoria (Alexandrina Victoria; 24 May 1819 – 22 January 1901) was Queen of the United Kingdom of Great Britain and Ireland from 20 June 1837 until her death.  From 1 May 1876, she adopted the additional title of Empress of India. The 2014 Birthday Honours were appointments by some of the 16 Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries.  The Birthday Honours are awarded as part of the Queen's Official Birthday celebrations during the month of June.  The Queen's Birthday Honours were announced on 14 June 2014 in the United Kingdom, on 9 June 2014 in Australia, on 2 June 2014 in New Zealand, on 14 June 2014 in Grenada, Papua New Guinea, Solomon Islands, Tuvalu, Saint Lucia and Belize. The 2017 Queen's Birthday Honours are appointments by some of the 16 Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries.  The Birthday Honours are awarded as part of the Queen's Official Birthday celebrations during the month of June.  The Queen's Birthday Honours for the United Kingdom were announced on 16 June; the honours for New Zealand were announced on 5 June and for Australia on 12 June. The 1884 Birthday Honours were appointments by Queen Victoria to various orders and honours to reward and highlight good works by citizens of the British Empire.  The appointments were made to celebrate the official birthday of the Queen, and were published in "The London Gazette" in May and June 1884. The Queen's Birthday Honours 1965 were appointments in many of the Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries.  The appointments were made to celebrate the official birthday of The Queen.  The announcement date varies from year to year.  The 1965 Queen's Birthday Honours were announced on 12 June for the United Kingdom, Australia, New Zealand, Sierra Leone, Jamaica, Trinidad and Tobago, Malawi, and the Gambia.
Answer: 20 June 1837