Nice 11.11.18 decode found on twatter by

3Days3Nights, and some more in the replies, multiple meanings exist:

@3days3nights

Military grade planning.

We were told twice that America will be unified again on 11.11.18. (#1234 & #3579)

Obama the great divider was inaugurated 1/20/09.

Let’s add 11.11.18.

[+] 11 years.

[+] 11 months.

[+] 18 days.

We land on the Trump’s Inauguration Rally 1/6/21.