The aediles were in charge of public sports during the republic.
There was no 'official event' and the Holocaust began in different places at different times in 1941. There was no official announcement of the kind implied in the question. What's more, there is even disagreement as to when the Holocaust began.
Indoor volleyball has been an official Olympic event since the 1964 Games in Tokyo. Beach volleyball has been an official Olympic event since the 1996 Games in Atlanta.
footbal
The first sports event called the Olympic games in the modern era was held in Much Wenlock (a village in England) in 1850. The first Olympiad organised by the IOC was held in Athens in 1896.
X-Games
event attractions,include congresses.exhibitions,festivas, such as the anti-festival,and sports events such as Olympics games.
An official sponsor of an event or organization contributes money or other assets to the organizations or organizers of the event usually in exchange for the right to advertise its connection to the event or organization. For example a sports shoe company might become an official sponsor for an athletic event or athletic organization.
Winter X Games
There were 36 different sports in the London 2012 games, if those are the games you were referring to. Source: london2012.com (official Olympic website)
There were 36 different sports in the London 2012 games, if those are the games you were referring to. Source: london2012.com (official Olympic website)
bowling
track and field
with a camera
Show jumping also known as "stadium jumping", is an equestrian event that is common at all horse shows. It became an Olympic Games event in 1912 officially.
The aediles were in charge of public sports during the republic.
98 in 7 sports or 15 disciplines. The event lasts from the 7th to the 23rd of February and an expected 2,800+ athletes will compete in the games.