paragraph_text: The USRA Heavy Mikado was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration (USRA), the nationalized railroad system in the United States during World War I. These locomotives were of 2-8-2 wheel arrangement in the Whyte notation, or 1′D1′ in UIC classification. A total of 233 locomotives were built to this plan for the USRA; postwar, it became a "de facto" standard design, which was built to the total of 957 locomotives including the USRA originals and all subsequent copies.

paragraph_text: The USRA Heavy Pacific was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard heavy passenger locomotive of the USRA types, and was 4-6-2 wheel arrangement in the Whyte notation, or 2′C1′ in UIC classification.

paragraph_text: The USRA 0-6-0 was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard light switcher of the USRA types, and was of 0-6-0 wheel arrangement in the Whyte notation, or "C" in UIC classification.

paragraph_text: Year Conference Coach Overall record Conference record 1896 † SIAA Glenn ``Pop ''Warner 4 -- 0 3 - 0 1920 † SIAA Herman Stegeman 8 -- 0 -- 1 8 - 0 1942 SEC Wally Butts 11 -- 1 6 -- 1 1946 † SEC Wally Butts 11 -- 0 5 -- 0 1948 SEC Wally Butts 9 -- 2 6 -- 0 1959 SEC Wally Butts 10 -- 1 7 -- 0 1966 † SEC Vince Dooley 10 -- 1 6 -- 0 1968 SEC Vince Dooley 8 -- 1 -- 2 5 -- 0 -- 1 1976 SEC Vince Dooley 10 -- 2 5 - 1 1980 SEC Vince Dooley 12 -- 0 6 -- 0 1981 † SEC Vince Dooley 10 -- 2 6 -- 0 1982 SEC Vince Dooley 11 -- 1 6 -- 0 2002 SEC Mark Richt 13 -- 1 7 -- 1 2005 SEC Mark Richt 10 -- 3 6 -- 2 Conference Championships: 14 † Denotes co-champions

paragraph_text: 1 -- 2 days: Tachycardia > 159 beats per minute (bpm) 3 -- 6 days: Tachycardia > 166 bpm 1 -- 3 weeks: Tachycardia > 182 bpm 1 -- 2 months: Tachycardia > 179 bpm 3 -- 5 months: Tachycardia > 186 bpm 6 -- 11 months: Tachycardia > 169 bpm 1 -- 2 years: Tachycardia > 151 bpm 3 -- 4 years: Tachycardia > 137 bpm 5 -- 7 years: Tachycardia > 133 bpm 8 -- 11 years: Tachycardia > 130 bpm 12 -- 15 years: Tachycardia > 119 bpm > 15 years -- adult: Tachycardia > 100 bpm

paragraph_text: The United States Railroad Administration (USRA) was the name of the nationalized railroad system of the United States between December 28, 1917, and March 1st, 1920. It was possibly the largest American experiment with nationalization, and was undertaken against a background of war emergency.

paragraph_text: Date 1 September 1939 -- 2 September 1945 (1939 - 09 - 01 -- 1945 - 09 - 02) (7003219300000000000 ♠ 6 years and 1 day)

paragraph_text: The USRA 2-6-6-2 was a standardized design of 2-6-6-2 Mallet locomotives developed by the United States Railroad Administration during World War I.

paragraph_text: The USRA 2-8-8-2 was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-8-8-2 wheel arrangement in the Whyte notation, or (1'D)'D1' in UIC classification. A total of 106 locomotives were built to this plan for the USRA; postwar, it became a de facto standard design.

paragraph_text: Major Ritchie defeated Herbert Roper Barrett 6–2, 6–3, 4–6, 6–4 in the All Comers' Final, but the reigning champion Arthur Gore defeated Ritchie 6–8, 1–6, 6–2, 6–2, 6–2 in the Challenge Round to win the Gentlemen's Singles tennis title at the 1909 Wimbledon Championships. Arthur Gore was the oldest winner of the title at 41 years and 182 days.

paragraph_text: Second-seeded Virginia Ruzici defeated Mima Jaušovec 6–2, 6–2 in the final to win the Women's Singles tennis title at the 1978 French Open.

paragraph_text: Todd Rundgren -- guitar (1, 2, 4 -- 6), percussion (1, 2), keyboards (1), backing vocals (1 -- 3, 5, 6)

paragraph_text: The first 1934 All-Ireland Senior Hurling Championship Final took place on 2 September 1934 at Croke Park, Dublin. It was the golden jubilee year of the Gaelic Athletic Association and the 47th All-Ireland final. It was contested by Limerick and Dublin. The match ended in a 2-7 to 3-4 draw. The replay took place at the same venue four weeks later on 30 September 1934. On that occasion the Leinster champions lost to their Munster opponents on a score line of 3-4 to 2-6.

paragraph_text: The USRA Light Mikado was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard light freight locomotive of the USRA types, and was of 2-8-2 wheel arrangement in the Whyte notation, or 1′D1′ in UIC classification.

paragraph_text: Team GF GA GD Pts. West Germany 7 5 0 15 5 + 10 12 Argentina 7 5 + 1 7 Italy 7 6 0 10 + 8 13 England 7 8 6 + 2 9 Eliminated in the quarter - finals 5 Yugoslavia 5 8 6 + 2 7 6 Czechoslovakia 5 0 10 5 + 5 6 7 Cameroon 5 0 7 9 - 2 6 8 Republic of Ireland 5 0 − 1 Eliminated in the round of 16 9 Brazil 0 + 2 6 10 Spain 6 + 2 5 11 Belgium 0 6 + 2 12 Romania + 1 13 Costa Rica 0 6 − 2 14 Colombia 0 15 Netherlands 0 − 1 16 Uruguay 5 − 3 Eliminated in the group stage 17 Soviet Union 0 0 18 Austria 0 − 1 Scotland 0 − 1 20 Egypt 0 − 1 21 Sweden 0 0 6 − 3 0 22 South Korea 0 0 6 − 5 0 23 United States 0 0 8 − 6 0 24 United Arab Emirates 0 0 11 − 9 0

paragraph_text: The USRA Light Mountain was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard light freight locomotive of the USRA types, and was of 4-8-2 wheel arrangement in the Whyte notation, or 2′D1′ in UIC classification.

paragraph_text: Result Year Tournament Surface Opponent Score Runner - up 2008 US Open Hard Roger Federer 2 -- 6, 5 -- 7, 2 -- 6 Runner - up Australian Open Hard Roger Federer 3 -- 6, 4 -- 6, 6 -- 7 Runner - up 2011 Australian Open (2) Hard Novak Djokovic 4 -- 6, 2 -- 6, 3 -- 6 Runner - up 2012 Wimbledon Grass Roger Federer 6 -- 4, 5 -- 7, 3 -- 6, 4 -- 6 Winner 2012 US Open Hard Novak Djokovic 7 -- 6, 7 -- 5, 2 -- 6, 3 -- 6, 6 -- 2 Runner - up 2013 Australian Open (3) Hard Novak Djokovic 7 -- 6, 6 -- 7, 3 -- 6, 2 -- 6 Winner 2013 Wimbledon Grass Novak Djokovic 6 -- 4, 7 -- 5, 6 -- 4 Runner - up 2015 Australian Open (4) Hard Novak Djokovic 6 -- 7, 7 -- 6, 3 -- 6, 0 -- 6 Runner - up 2016 Australian Open (5) Hard Novak Djokovic 1 -- 6, 5 -- 7, 6 -- 7 Runner - up 2016 French Open Clay Novak Djokovic 6 -- 3, 1 -- 6, 2 -- 6, 4 -- 6 Winner 2016 Wimbledon (2) Grass Milos Raonic 6 -- 4, 7 -- 6, 7 -- 6

paragraph_text: The USRA Light Pacific was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard light passenger locomotive of the USRA types, and was 4-6-2 wheel arrangement in the Whyte notation, or 2′C1′ in UIC classification.

paragraph_text: Flavia Pennetta, at 32 years, became the tournament's oldest winner since Steffi Graf in 1996, defeating Agnieszka Radwańska in the final 6–2, 6–1.

paragraph_text: The USRA Heavy Mountain was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard light freight locomotive of the USRA types, and was of 4-8-2 wheel arrangement in the Whyte notation, or 2′D1′ in UIC classification.

Question: When did the group that worked on USRA 2-6-6-2 disband?
Answer: 1920