The earliest address that I used publicly and I still have access to is from September 01, 2015:
my address for refund is 1KJcGmkP4HCzJQ9nPW9J1qaAnGkkSr6tyK
Confirmed! Post was last edited on September 2, 2015 (
archived).
The archive shows September 1, my time zone is Amsterdam.-----BEGIN BITCOIN SIGNED MESSAGE-----
nomadcrypto from bitcointalk.
date: May 21 2019
address: 1KJcGmkP4HCzJQ9nPW9J1qaAnGkkSr6tyK
-----BEGIN SIGNATURE-----
H0/HiI6U7d8JB95LZ1nCIhngB2KSCE4xnpRKSXrPQncTZtn6gDtJ8kvdD6BVEz9KLyJBkFe46EJMXTkz2Alj8R4=
-----END BITCOIN SIGNED MESSAGE-----
Quoted and
verified!