We don't have your list of events, but they are the same place just named at different timelines.
An event that happened in history on the 5th of May occurred in 1762 when Russia and Prussia signed a peace treaty.
mars
When Germany entered Russia even though they made an agreement called the soviet union pact.
exploration
A+ answer is exploration.
creation of Pakistan.
Reconstruction Era American history
The probability based on an event that has already occurred is 100%. If the event has occurred, it has occurred.
Julius Caesar defeats Pompey.
the great depression and the dust bowl
slavery
solidarity is outlawed in Poland.