wir

we

müssen

1. to have to (do something); must; to be obliged (to do something); to need (to do something).
2. to have to do something implied; must; to be obliged.
3. (colloquial) to need to go to the bathroom.

beginnen

1. to begin; to commence; to be started
2. to start something; to begin something

Geschichte

1. history
2. story

zu

• Prep

  1. to, towards (indicates directionality)
  2. with respect to; regarding
  3. along with; with (accompanying (the main thing in question))
  4. at, on (indicates location)
  5. at (indicates time)
  6. by, in, on, at (indicates mode (of transportation, speech, etc.))
  7. for; (with a noun) as, by way of (for the purpose of)
  8. for (in honor of, or directed towards the celebration or event of)
  9. into (indicates transition into another form or substance)
  10. as, for, to be (to take on the role of)
  11. to (used to indicate ratios)
  12. at (denotes a price or rate)

• Particle
• Adv
• Adj

schreiben

1. to write, to write out (use letters to make words and texts)
2. to spell (use a particular combination of letters to make a word)
3. to write (use handwriting)
4. to write (produce texts, work as an author)
5. to be some year or date
6. to write, to text (send written information, communication)
7. to write to each other (exchange correspondance)
8. to be spelled/spelt; of a word or a person's name
9. Used to express that someone does not know the first thing about something.