Sorry I’m about about to reveal something to you but instead want to explore the two senses of the word revelation.
Revelation in one sense has a very particular revealing of something unknown or hidden. This is what newspapers often call revelation. Within the Bible there is the occasional revelation – the book of revelation is full of this stuff. Something that we could not know if it was not revealed to us. However, this is not often shown in the Bible where there is something that we would only know if God specifically told it to us. We might find this in the prophets or the book of revelation for example.
The other sense of revelation is that of showing something, in other words just to show something or reveal something that isn’t a direct message but is simply made known. Much of the Bible should be seen in this way. General stuff that we could discover in other ways. For instance the gospels give us information that we widely available at the time they were written. They are not revelations in the first sense but they are revelations in the sense that they tell us something about Jesus.
It is important to see this distinction because we need to appreciate that not all revelation is of the first kind but also that the first kind if actually very limited.