Really?

English language did you knows

• Did you know the most commonly used letter in the alphabet is E
• Did you know the least used letter in the alphabet is Q
• Did you know skiing is the only word with double i
• Did you know dreamt is the only word that ends in mt
• Did you know the first letters of the months July through to November spell JASON
• Did you know there are only 4 words in the English language which end in 'dous' (they are: hazardous, horrendous, stupendous and tremendous)
• Did you know the oldest word in the English language is 'town'
• Did you know 'Bookkeeper' and 'bookkeeping' are the only 2 words in the English language with three consecutive double letters
• Did you know the word 'Strengths' is the longest word in the English language with just one vowel
• Did you know the dot on top of the letter 'i' is called a tittle
• Did you know the past tense for the English word 'dare' is 'durst'
• Did you know The first English dictionary was written in 1755
• Did you know 1 out of every 8 letters written is an e
• Did you know the longest one syllable word in the English language is 'screeched'
• Did you know all pilots on international flights identify themselves in English regardless of their country of origin
• guage with all the letters in alphabetical order
• Did you know the most commonly used word in English conversation is 'I'

I think #3 is nonsense, what about Hawaii and genii?
Or are they not considered English words?