The Jews believe this day was set aside by God for suffering as per this site. Here are a list of events that happened on that day. Quite shocking actually
This was one of the first things I challenged in Christianity, is the Bible what they claim it to be ? Is it really the Word of God or is it just a bunch of stories and fables, that a bunch of human writers put together and manipulated over the centuries.
This subject is critical to understand as it becomes the point of contention between Jews and to a lesser degree Muslims and Christians. While its really easy to do, it takes efforts and practice. Remember at least 5 times in the NT, the disciples showed and convinced pious Jews that Jesus was the Messiah using only the OT texts.
Its one thing to say a Polar Bear was a variant of its ancestor the Grizzly Bear but quite another to say that a Polar Bear and a Coconut tree came from the same ancestors. This is simply untrue.
If I told you its possible, that the alphabets formed by tracing the path of a bee in flight, is exactly the same as the text found in a book, say Moby Dick, how absurd does that sound ? Taking it a step further, if I say its possible for the bee to completely by random chance write Moby Dick in a span of one hour, would you not doubt my sanity ?
The extreme improbability that so many anthropic factors would align so auspiciously in our favor merely by chance has led many scientists and evolutionists to agree, that it was God who engineered the universe to suit our specific needs.
Which Came First ? DNA or Proteins? It takes proteins to construct DNA. It takes DNA to make proteins. Even a simple study can show you both proteins and DNA are just too complex and specific to happen by chance.