Q1: In what unofficial ceasefire was Alfred Anderson the last known combatant to participate in.
Alfred Anderson (veteran): Alfred Anderson (25 June 1896 – 21 November 2005) was a Scottish joiner and veteran of the First World War. Alfred Anderson (veteran):  He was the last known holder of the 1914 Star (the Old Contemptibles), the last known combatant to participate in the 1914 World War I Christmas truce, Scotland's last known World War I veteran, and Scotland's oldest man for more than a year.
i don't know