In what year was the Old Swiss Confederacy founded — the origin of Switzerland?

1291 → tuna · bat.

The Federal Charter of 1291 bound the three "forest cantons" (Uri, Schwyz, Unterwalden) in a defensive alliance against Habsburg rule — the traditional founding of Switzerland, still celebrated as the national holiday on 1 August. Peg 12 · 91 → tuna · bat: a bat perched on a tuna.

Tip: "Schwyz" gave the country its name — Schweiz / Switzerland.