I apologize for off-topic, I am thinking about building an interesting web site for college students. May probably commence with publishing interesting facts like"Samuel Clemens (Mark Twain) was born on and died on days when Halley’s Comet can be seen."Please let me know if you know where I can find some related facts such as here

www.annenusselder.nl/dissertation-penning-system-aid-request-made-to/