Clue: It dissolved in 1806: Abbr.

Answer: HRE

Length: 3

---

Similar Clues:

• Itinerary info: Abbr. (e.g. ARR with 3 letters)
• Items of interest (abbr.) (CDS with 3 letters)
• Centuries-long realm dissolved in 1806: Abbr. (HRE with 3 letters)
• Invoice itemization: Abbr. (MDSE with 4 letters)
• International alliance dissolved in 1977 (abbr.) (SEATO with 5 letters)
• Increase in speed: Abbr. (ACC with 3 letters)
• Invoice abbr. (e.g. ACCT with 4 letters)
• Insurer's file: Abbr. (ACCT with 4 letters)
• Bank item: Abbr. (ACCT with 4 letters)
• Info on a personal check: Abbr. (ACCTNO with 6 letters)