Big moments in 100 years: 1960-78

In 1960, Chinese mountaineers ascend Mount Qomolangma.

In 1964, China successfully explodes its first atomic bomb.

In 1970, China's first satellite Dongfanghong I is launched.

In 1974, China's first nuclear-powered submarine is commissioned.

In 1978, The 11th Central Committee of the Communist Party of China holds its third plenary session, marking the start of reform and opening-up.