First ancient Olympic Games were held in 776 B.C. in honor of Greek God Zeus.
First modern Olympic Games were held in 1896 in Athens, Greece.
Olympic Games are so called because they were held in the city of Olympia.
Pierre de Coubertin is the father of modern Olympic Games
The International Olympic Committee which was formed by Pierre de Coubertin in 1894 has its headquarters at Lausanne, Switzerland.
Olympic Motto is “Citius-Altius-Fortius”(swifter, higher, stronger).
The colours of the five rings on the Olympic symbol representing five continents (The Americas are treated as one continent) are Red, blue, green, yellow, and black.
At Antwerp, Belgium during the 1920 Olympic Games the flag was first flown.
The Olympic symbol appears on the Olympic flag which has a white background.
Pierre de Coubertin wrote the Olympic oath. At the opening ceremony on behalf of all the athletes one athlete recites the oath.
Belgian fencer Victor Boin has taken the Olympic oath for the first time during the 1920 Olympic Games
The first opening ceremonies were held during the 1908 Olympic Games in London.
The Greek team always leads the procession of athletes in the opening ceremony
the other teams followed Greek Team in alphabetical order
The last team is always the team of the hosting country.
Olympic games were not held in the following years due to the two world wars 1916, 1940 and 1944.
Women participated for the first time at the Paris Olympic Games of 1900.
The country which won the most medals at the first Olympic Summer Games in 1896 – Greece (47)
The Olympic flame made its first appearance at the 1928 Amsterdam Olympic Games.
The cities which have the held the summer Olympics twice are Athens (1896 & 2004), Paris (1900 & 1924), and Los Angeles (1932 & 1984)
The city which has the hosted the summer Olympics thrice is London (1908, 1948 and 2012)
The country which has hosted the summer Olympics the maximum number of times is the United States – Los Angeles (1932 & 1984), St. Louis (1904) and Atlanta (1996)
To qualify an sport event as an Olympic sport, that sport must be widely played by men and women in at least 75 countries and on four continents, and in at least 40 countries and on three continents respectively
In 2016 the Olympic Games is held in Rio de Janeiro Brazil