Duke
Duchy
Society-wide
completing two reigns as ruler of a Kingdom
Duke
34
1973-01-06
1975-08-02
1976-01-10
1979-11-18
1980-11-22
1981-05-30
1983-05-28
1983-11-26
1987-11-21
1989-11-18
1990-06-02
1991-11-16
1992-06-06
1993-06-05
1993-08-22
1993-11-06
1994-04-30
1994-05-07
1996-05-18
1997-06-07
1999-06-12
1999-08-28
2000-06-03
2002-11-16
2003-11-15
2009-06-06
2009-11-07
2012-11-03
2014-06-07
2015-06-06
2017-07-15
2018-06-23
2021-01-09
2023-01-07