Why are QAnon believers obsessed with 4 March?

One influencer, with 55,000 subscribers, suggested there was a 150-year-old clue in the 1871 Organic Act itself. The digits of the act add up to make 17, a symbolic number for the conspiracy’s followers – with Q being the 17th letter of the English alphabet. Numerology “proofs” are big in the world of QAnon.