History and Fun facts! No capitalization and spaces please!!!

123456789101112
Across
  1. 3. The world's most groundbreaking Jewish scientist the world has even known
  2. 7. Another word for "Date Of Birth"
  3. 8. The place where lego originated from
  4. 9. An online free video sharing website created in 2005
  5. 10. One of the world's most famous youtuber that often gives away money (Youtuber Name)
  6. 12. The first person to be sent to space from the U.S.S.R
Down
  1. 1. The first person to touch the moon
  2. 2. Owner of Roblox, his name starts with a D
  3. 3. The famous day of lying to people
  4. 4. The first programmable computer
  5. 5. A person who is well known for creating Minecraft
  6. 6. Who is the youtuber whose real name is Felix Kjellberg?
  7. 11. The vehicle that allows people to go to space