1908 London first hosts the Olympic Games
Only the third Games to be held outside of Athens the 1908 Games had been scheduled to be held in Rome but the eruption of Mount Vesuvius two years before led to a lack of funding.
The events took place between 27th April and 31st October 1908, with 22 nations participating in 110 events.
The British team topped the unofficial medal count with three times more medals than second place USA.
1944 London cancels the Olympics
The Olympics Games had been due to be held in London in 1944 but were cancelled after the outbreak of war. A small celebration was held in Lausanne at IOC headquarters.
1948 The Olympics return to London
The first Games to be held since the end of WWII saw 59 nations compete in 136 events. Germany and Japan were not invited to the events. The British team finished 12th in the unofficial medal count with just 23 medals.
1948 London begins the Paralympic Games
In 1948 Sir Ludwig Guttman, a neurologist working with World War II veterans with spinal injuries began using sport as part of the rehabilitation of his patients, and set up a competition with other hospitals to coincide with the London Olympics.
In 1960, Guttmann brought 400 wheelchair athletes to the Olympic Rome to compete and the modern Parallel Olympics (or "Paralympics") were born.
2012 London celebrates the Olympics
After a successful bid in 2005 the Olympics returned to London. Taking part between 27th July - 12th August with 204 countries competing in 302 events.