1) The first consumer digital video recorder (DVR), the TiVo, was introduced in 1999 and allowed users to record and store television programs for later viewing.

2) Norse mythology, originating from the Scandinavian region, features gods and mythical creatures like Odin, Thor, Loki, and Valkyries. It explores themes of heroism, destiny, and the battle between gods and giants, with intricate tales recorded in texts such as the Prose Edda and Poetic Edda.

3) The shortest verse in the Bible is "Jesus wept" (John 11:35).

4) The construction of the Great Wall of China began in the 7th century BC and was completed over several centuries, spanning thousands of miles.