I was in a room full of people I didn't know. A woman came to me and put crown on my head
Dreams often contain symbols and elements that convey important messages about our emotional and mental state. The dream you described about being in a room full of strangers and being crowned by a woman could signify a sense of importance or achievement in your personal or professional life.
The crown represents honor, power, and recognition in our waking life. You may have accomplished something significant and this dream is a manifestation of your triumph. Being in a room full of strangers could represent a sense of new beginnings, unfamiliarity, or a change in your surroundings.
Alternatively, this dream could also indicate a need for validation, a desire to feel appreciated, and a longing for recognition from others. Perhaps you have been working hard and hoping for a breakthrough, and this dream is a way of your subconscious telling you that you have what it takes to succeed.