I copied you artistic folks to make a nice, colourful timeline one for Newfoundland as well.
Red for liberal parties, blue for "conservative" (by our standards) parties, green for nationalist parties, and black for ones that don't fit into either of these categories.
1855 - 1861: Liberal Party
1861 - 1870: Conservative Party
1870 - 1874: Anti-Confederation Party
1874 - 1885: Conservative Party
1885 - 1889: Reform Party
1889 - 1894: Liberal Party
1894 - 1894: Tory Party
1894 - 1897: Liberal Party
1897 - 1900: Tory Party
1900 - 1909: Liberal Party
1909 - 1918: People's Party
1918 - 1919: Liberal Party
1919 - 1919: People's Party
1919 - 1924: Liberal Reform Party
1924 - 1924: No Party Affiliation
1924 - 1928: Liberal-Conservative Party
1928 - 1932: Liberal Party
1932 - 1934: United Newfoundland Party
1934 - 1949: Newfoundland is no longer independent; part of United Kingdom
1949 - 1972: Liberal Party
1972 - 1989: Progressive Conservative Party
1989 - 2003: Liberal Party
2003 - Present: Progressive Conservative Party
One thing that strikes me about Newfoundland's politics is how dysfunctional it seems. Even in the list above there are several periods in which the government changed frequently - and hidden within each block are other examples. For example, in the Liberal reign from 1989-2003, there were four elections and three appointments.
Perhaps the most interesting period is 1855-1870. Scandals galore as the Anglican upper classes, who were deadset against independence because they knew they were a minority of the population, attempted to hold on to political power despite the fact most people, and therefore most elected politicians, were Irish Roman Catholics. The government even forbid one predominantly Roman Catholic town from voting in 1861.