Let me give you a few examples of what I mean...
• Robots, Zombies & Vampires...Fantasy!
• Lions, Tigers & Bears (oh my)...can be (and have been) used in Fantasy!
• Real People from the Past can be (and have been) used in Fantasy!
• Mythical Lands, Places & Maps...Fantasy!
• Events both Real and Imagined can be (and have been) used in Fantasy!
• Relics, Symbolism, and Markings of all types can (and have) be used in Fantasy!