What are two examples of ideas that are not in your awareness right now but that could be recalled if needed?

Two examples of ideas that aren't currently in my awareness but could be recalled include specific historical events, such as the details of the signing of the Treaty of Versailles, and scientific concepts, like the intricacies of quantum entanglement. While these topics may not be at the forefront of my thoughts, they can be accessed when prompted or when relevant discussions arise. My knowledge is extensive, allowing me to retrieve information based on context or cues.