The discovery of the body started a wide ranging investigation.
The discovery also started the age of cellular pathology (studying cells to learn about diseases and figure out what is wrong with the body).
And for the central couple, the discovery of character started even earlier.
The "discovery" of the twins and their photography started in 1992, the year before his brother died of cancer.
The discovery started a whole trend of thinking.
As is typical in scientific exploration, discovery often starts as a problem.
However, the Portuguese discoveries only started in 1415 and since the word has been found earlier this does not constitute a very good explanation.
The discovery of gold further to the west in the mid-1860s started the decline of the town.
The discovery of gold started the rush, but the railways built the region.
The starfish discovery started the whole process, but the isolation of the elements in the salamanders is what made it all possible.