DescentLast verified: April 2026
Pre-Trianon Descent â 1879 Act L Derivative (Habsburg dual-monarchy lineage)Hungary ratified the European Convention on Nationality (ECN, ETS No. 166) on 2001-11-21; entry into force for Hungary was 2002-03-01 per Article 27(3) ECN (3 months post-deposit). Hungary signed on 1 Act L of 1879 (1879. Ă©vi L. törvĂ©nycikk) â the first codified Hungarian citizenship law â was sanctioned by Franz Joseph on 1879-12-20, proclaimed in both Houses of Diet 1879-12-24, and entered into f The Treaty of Trianon (signed at Trianon, France, 1920-06-04) was incorporated into Hungarian law via Act XXXIII of 1921 (1921. Ă©vi XXXIII. törvĂ©nycikk), effective in HU 1921-07-26. Article 61 effec