Quite a few most likely, the only two I can think of is when the meteor crashed into the earth and killed the dinosaurs, and in Y2K.

UFC 161 Predictions

If you mean his predictions about the periodic table then yes his predictions were correct.

The predictions of the secularization thesis failed to materialize due to factors such as the persistence of religion in society, the resurgence of religious movements, and the continued importance of spirituality in people's lives. Additionally, globalization has facilitated the spread of diverse religious beliefs and practices, challenging the notion of secularization as a universal trend.

Predictions