The 2014 Summer Youth Olympic Games (officially known as II Summer Youth Olympic Games) (Chinese: 第二届夏季青年奧林匹克运动会) were the second Summer Youth Olympic Games, an international sports, education and cultural festival for teenagers, held from 16 to 28 August 2014 in Nanjing, China.

The International Olympic Committee established the Youth Olympic Games in July 2007. The 2014 host city was elected on 10 February 2010, during the 2010 IOC Session in Vancouver. This was the first election of a Youth Olympic Games host city held in an IOC Session. The elections for the host cities of the 2010 Summer Youth Olympics and 2012 Winter Youth Olympics were done through postal votes by IOC members.

Like other Olympic events, the 2014 Summer Youth Games has its own logo. The logo consists of three parts. The colorful "NANJING" reflects the image of the gate of Nanjing and the features of some Jiangnan houses. The various colors symbolize youths' energetic spirit.

All of the venues are located in four zones within Nanjing. All venues with the exception of the cycling road, sailing, and triathlon venues, were temporary.

The Nanjing Olympic Sports Center hosted the opening and closing ceremonies.

The Youth Olympic torch was designed by the Vatti Corporation Ltd. The torch is known as the "Gate of Happiness." A structure resembling a city gate is found on the top part of the torch and the blue color of the torch represents the peaceful tranquility of Nanjing. The Yangtze which flows next to Nanjing is presented as stripes found on the handle of the torch. It is said that the torch is capable of resisting wind speeds of 11 m/s, rainfall of 50mm/h, altitude of up to 4500m and a temperature range of -15˚C to 45˚C.

Following Olympic tradition the torch lighting ceremony was held on 30 April 2014 in Athens, Greece at the Panathenaic Stadium where the first Olympic Games were held. Four young athletes from Greece and China competed in a mini-relay.

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