yes first introduced in dimond and pearl
It was in public in where the official Apple Company opened
According to official reports the first SMS introduced in 3rd December 1992.
it was in the 4th series he was introduced
Skype was first introduced unofficially in 2000. It was really a test between the friends of the makers of Skype. But it was official released in 2001.
Budew is the pre-evolved form of Roselia. However, it is not introduced in Emerald, it is introduced in the 4th Generation games
Badminton is the official sport of Indonesia. Indonesia has won a Gold medal since the sport was first introduced in the Olympic Games.
In US, Independence Day, 4 July, is an official, Federal holiday.
Diving was first introduced in the official program of the Summer Olympic Games at the 1904 Games of St. Louis and has been an Olympicsince.
Among the latest update since 2012, Modern Olympic Sport composes twenty-four official event that where the Baseball and Softball, were the two them was excluded as event. your question was not related to this answer due to lacking details. If in Case you mention about Modern-Pentathlon, it was the the one of the remaining sport event as official!
July 4th 1776
the 4th official