Dates: 1718 - Jan 1812

Duration: 94 years

Dates: 1728

Duration: Instant

Dates: Jan 1812 - 2010

Duration: 198 years

Dates: 1729 - 1860

Duration: 131 years

Dates: 1780

Duration: Instant

Dates: 1798

Duration: Instant

Dates: 1812 - 1823

Duration: 11 years

Dates: 1840

Duration: Instant

Dates: 1841 - 1928

Duration: 87 years

Dates: 1850

Duration: Instant

Dates: 1898 - 1917

Duration: 19 years

Dates: 1916

Duration: Instant

Dates: 1920 - 1929

Duration: 9 years

Dates: 1940 - 2010

Duration: 70 years

Dates: 1941 - 2008

Duration: 67 years

Dates: 1949

Duration: Instant

Dates: 1968

Duration: Instant

Dates: 1969

Duration: Instant

Dates: 1983

Duration: Instant

Dates: 1996

Duration: Instant

Dates: dec 1999

Duration: Instant

Dates: aug 29 2005

Duration: Instant

Dates: 2006

Duration: Instant

Dates: 1791 - 1804

Duration: 13 years

Dates: 1820 - 1860

Duration: 40 years

Dates: 1926

Duration: Instant

Dates: 1928

Duration: Instant

Dates: 1939

Duration: Instant

Dates: dec 1960 - 1969

Duration: 8 years, 1 month, 1 day

Dates: 1980 - Present

Duration: 32 years, 1 month, 4 days

Dates: 1998 - Present

Duration: 14 years, 1 month, 4 days