Here's a breakdown:
* 1483: Portuguese explorer Diogo Cão arrives in Angola, marking the beginning of Portuguese presence.
* 1575: The Portuguese establish a permanent settlement in Luanda.
* 1617: Angola becomes a Portuguese colony.
* 1975: Angola gains independence after a long and bloody struggle for liberation.
It's important to note that Portuguese rule in Angola was marked by colonialism, exploitation, and oppression, with significant impact on the Angolan people and their culture.