Alliance Thomas Pelham-Holles Newcastle, 1st and Austria and Holland
Forms an anti Prussian alliance with Austria & Holland
Role range: 1716-1760 – 1743-1754
Historical biography archive · Updated 2026-11-03
Thomas Pelham-Holles Biography and Timeline
Follow Thomas Pelham-Holles through 5 dated historical records for Great Britain.
Thomas Pelham-Holles, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1744–1757Years on this page
1744
1752
Reform of Calendar
Officially New Years day for the 1st time, until now the year had begun 25th March
Role range: 1716-1760 – 1754-1756
Reform of Parliament
The 14th Sept follows the 2nd Sept. Britain & its colonies adopt the Gregorian calendar by decree of Parliament
Role range: 1716-1760 – 1743-1754
1754
Prime Minister of Great Britain
Appointed Prime Minister of Great Britain, 1st term
Role range: 1716-1760 – 1754-1756
1757
Prime Minister of Great Britain
Appointed Prime Minister of Great Britain, 2nd term
Role range: 1716-1760 – 1757-1762
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.