The Olympics are every 4 years. There were Winter Olympics in 1968 and 1972, but, not in 1970. The idea of have the Summer Olympics and the Winter Olympics in different even number years is something that was started just a few years ago. The two events used to be held in the same year. There were Summer Olympics in 1968 and 1972 (where the Israeli athletes were murdered), but, no Summer, or Winter, Olympics were held in 1970.
The Summer Olympics are not held in 2009.
Summer Olympics were not held in 1986.
There was not Olympics in the year 1970.
The next summer Olympics will be held in 2020 in Tokyo.
The 1960 Summer Olympics was held in Rome.
There were no winter Olympics in 1970.
The 1912 Summer Olympics were held in Stockholm, Sweden.
In 2004, the Summer Olympics were held in Athens, Greece.
The Summer Olympics of 1964 were held in Tokyo, Japan.
The last Summer Olympics were held in 2012 in London.
The 1992 Summer Olympics were held in Barcelona, Spain.