Question: When was Commander-in-Chief of the place where Luke Sears was born abolished?

full_context: Document 1: United Services Recreation Ground: The United Services Recreation Ground is a sports ground situated in Burnaby Road, Portsmouth, Hampshire, England. The ground is also bordered to the north by Park Road, along which the railway line to Portsmouth Harbour and Gunwharf Quays overlooks the ground, and to the east by Anglesea Road. The southern end of the ground is dominated by the Officer's Club building, which overlooks the ground. The ground is owned by The Crown. A multitude of sports have been played at the ground, including cricket, rugby and hockey. The ground was used by Hampshire County Cricket Club from 1882 to 2000, serving as one of three home grounds used during this period, alongside the County Ground, Southampton, and Dean Park, Bournemouth. United Services Portsmouth Cricket Club currently play at the ground. The ground is used in its dual capacity as a rugby venue by United Services Portsmouth Rugby Football Club, who have played there since 1882. The Royal Navy Rugby Union also use the ground for their home matches. The end names are the Railway End to the north and the Officer's Club End to the south.
Document 2: John May (cricketer): John May (born 26 September 1849 in Southampton, Hampshire; date of death unknown) was an English cricketer. May was a right-handed batsman who was a right-arm fast bowler.
Document 3: United States Marine Corps: After the war, the Marine Corps fell into a malaise that ended with the appointment of Archibald Henderson as its fifth Commandant in 1820. Under his tenure, the Corps took on expeditionary duties in the Caribbean, the Gulf of Mexico, Key West, West Africa, the Falkland Islands, and Sumatra. Commandant Henderson is credited with thwarting President Jackson's attempts to combine and integrate the Marine Corps with the Army. Instead, Congress passed the Act for the Better Organization of the Marine Corps in 1834, stipulating that the Corps was part of the Department of the Navy as a sister service to the Navy. This would be the first of many times that the independent existence of the Corps was challenged.
Document 4: Canadian Armed Forces: The Canadian Joint Operations Command is an operational element established in October 2012 with the merger of Canada Command, the Canadian Expeditionary Force Command and the Canadian Operational Support Command. The new command, created as a response to the cost-cutting measures in the 2012 federal budget, combines the resources, roles and responsibilities of the three former commands under a single headquarters.
Document 5: Lee Luscombe: Born in Guernsey, he started his youth career with Vale Recreation before joining Southampton as a trainee. After a couple of years, he left Southampton and returned to his home island for a short period. He then returned to the UK and signed for Brentford along with fellow Guernsey player Grant Chalmers. After playing 42 games over a two-year period he moved onto Millwall and then a short loan spell at Sittingbourne. His spell in the UK came to an end after 8 games with Doncaster Rovers. He then returned to his home island of Guernsey and played locally for a while. He later had spells as a goalkeeping coach at Warrington Town and Runcorn Linnets.
Document 6: Canadian Armed Forces: The responsibility for military command remained with the British Crown-in-Council, with a commander-in-chief for North America stationed at Halifax until the final withdrawal of British Army and Royal Navy units from that city in 1906. Thereafter, the Royal Canadian Navy was formed, and, with the advent of military aviation, the Royal Canadian Air Force. These forces were organised under the Department of Militia and Defence, and split into the Permanent and Non-Permanent Active Militias—frequently shortened to simply The Militia. By 1923, the department was merged into the Department of National Defence, but land forces in Canada were not referred to as the Canadian Army until November 1940.
Document 7: Todd Sears: Todd Andrew Sears (born October 23, 1975 in Des Moines, Iowa) is a former Major League Baseball first baseman for the Minnesota Twins and San Diego Padres.
Document 8: Southampton: Hampshire County Cricket Club play close to the city, at the Rose Bowl in West End, after previously playing at the County Cricket Ground and the Antelope Ground, both near the city centre. There is also the Southampton Evening Cricket League.
Document 9: Commander-in-Chief, Portsmouth: The post of Commander-in-Chief, Portsmouth was merged with that of Commander-in-Chief, Plymouth in 1969 to form the post of Commander-in-Chief, Naval Home Command. The posts of Second Sea Lord and Commander-in-Chief Naval Home Command were amalgamated in 1994 following the rationalisation of the British Armed Forces following the end of the Cold War. In 2012, however, all distinct Commander-in-Chief appointments were discontinued, with full operational command being vested instead in the First Sea Lord; he now flies his flag from HMS "Victory".
Document 10: Luke Sears: Luke Alexander Sears (born 3 April 1980 in Portsmouth, Hampshire) is a former English cricketer. Sears is a right-handed batsman who bowled right-arm medium pace.
Document 11: Chief of Army Staff (Pakistan): In 1969, the title of the army command was changed from ``Commander - in - Chief ''to`` Chief of Staff'' with President Yahya Khan acting as Commander - in - Chief and General A.H. Khan as Chief of Staff. On 20 March 1972, the post was renamed as ``Chief of Army Staff ''(COAS) with Lieutenant - General Tikka Khan elevated to four star rank to be appointed as army's first chief of army staff.
Document 12: Saeed Meer: Saeed Meer, (born 25 November 1947, in Meerut), the former Pakistan No. 2 tennis player, had a successful Davis Cup career, with a 26–14 win–loss record.
Document 13: Adrian Aymes: Adrian Nigel 'Adi' Aymes (born 4 June 1964 in Southampton, England) was a first-class cricketer for Hampshire, where he was a right-handed batsman and wicket-keeper for fifteen years, winning the Natwest Trophy in 1991. His interest in both football and cricket saw him play the former in his youth, making appearances for Bristol Rovers reserves and becoming assistant-manager of Lymington Town before becoming a full-time cricketer aged 24.
Document 14: Supreme Commander of the Swedish Armed Forces: The Supreme Commander is, apart from the honorary ranks held by the King of Sweden and in the past other members of the Swedish Royal Family, by unwritten convention normally the only professional military officer on active duty to hold the highest rank (a four-star General or Admiral). An exception was made 2009-2014 when Håkan Syrén was chairman of the European Union Military Committee.
Document 15: Ministry of Supply: The Ministry of Supply was abolished in late 1959 and its responsibilities passed to the Ministry of Aviation, the War Office and the Air Ministry. The latter two ministries were subsequently merged with the Admiralty to form the Ministry of Defence.
ground_truth: 1969
sub_queries: Luke Sears >> place of birth Answer: Portsmouth
When was Commander-in-Chief, Portsmouth abolished? Answer: 1969