Fra' Pietro del Monte was an Italian who was the 50th Grand Master of the Order of Malta, from 1568 to 1572. He succeeded La Vallette as grandmaster and continued the construction of Valletta

Valletta

Valletta is the capital of Malta, colloquially known as Il-Belt in Maltese. It is located in the central-eastern portion of the island of Malta, and the historical city has a population of 6,098. The name "Valletta" is traditionally reserved for the historic walled citadel that serves as Malta's...

. One of his contributions to the military history of Malta

History of Malta

Malta has been inhabited since it was settled around 5200 BC from Sicily. It was settled by the Phoenicians and later the Greeks who named the island Μελίτη meaning "honey sweet" in reference to Malta's endemic variety of bee.-B.C.:*5000 First Human settlers...

 was the building of Del Monte Gate which was eventually demolished and replaced by the Victoria Gate.