International Spitting Contest; Slippery!
The probability based on an event that has already occurred is 100%. If the event has occurred, it has occurred.
Probably the major historical event that occurred between 1996 and 2007 was the destruction the World Trade Center in New York City. It occurred on September 11, 2001.
The constitutional convention occurred second.
Lots of historical events occurred in 1984. One such event is the Where's the Beef commercial debuted on January 10th, 1984.
The Vietnam War is the event that occurred in the Tonkin Gulf.
The probability of event A occurring given event B has occurred is an example of conditional probability.
No memorable space event occurred on this day.
What important event occurred April 14th, 1865
What important event occurred April 9th, 1865
Indoor volleyball has been an Olympic medal event since 1964 and beach volleyball was debuted in 1992 and became a medal event in 1996.