There are many more than 3 events that do not have a similar event for the women. The 50 M walk, 5 boxing events, and many events in canoeing are just the first ones looked at in alphabetical order.
Argentina did participate in the 2012 Olympic games.
Baseball and Softball will NOT be a part of the 2012 Summer Olympic Games, but were a part of the 2008 Summer Olympics.
Follow the related link for a full list of Olympic Events that Spain are taking part in in the Summer 2012 Olympics in London.
The 2012 Summer Olympic features 36 sporting events with a total 302 individual event competitions (including non-final events) over the entire Olympic period. These 36 events can also be classified into 26 sports (e.g. Archery, swimming, gymnastics, etc.) categories in a total of 39 disciplines.
Western Sahara, Kosovo, South Sudan, Curacao - would like to in future Vatican, Kiribati, Marshall Islands - do not want to participate
* Romania participation - Summer Olympic Games: 1900, 1924, 1928,1936, 1952-2012. * Romania participation - Winter Olympic Games: all the editions excepting 1960.
The equestrian events at the 2012 Olympic Games in London were held between 28 July and 9 August at Greenwich Park.
London
302 events
Africa is not a nation it is a continent and the question is like asking how many sporting events did Europe participate in. The answer for both is zero although European countries might have been in all 302 events
Tinikling
205