What year was...?

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Across
  1. 1. Apollo 11 landed on the moon
  2. 3. First Iphone came out
  3. 4. Covid pandemic
  4. 6. Sinking of Titanic
  5. 8. Disney was created
  6. 9. Year McDonalds was founded
Down
  1. 1. Colombus set sail for America
  2. 2. Declaration of Independence was signed
  3. 3. Twin Towers were attacked
  4. 5. Year George Washington died
  5. 6. Year World War 2 started
  6. 7. President Obama was elected
  7. 9. First permanent British colony was established