Duchy of Parma and Piacenza

Where it sits in time

Five thousand years, 3000 BCE to 2026; the state in gold, what it replaced or followed and what replaced or followed it in grey.

Before and after

The states the record files it as replacing or following, and those that replaced or followed it - Wikidata's own statements, each read from this state's side.

How it ended, as its article says

Dissolved, 1859. Read from the article's section “lead” by its grammar; the claim is only that the article says so.

Parma was restored to Bourbon rule in 1847, and in 1859, the duchy was formally abolished as it was integrated into the new Italian state.

One sentence of the English Wikipedia article, CC BY-SA 4.0.

Rulers

Read from the state’s own English article and its rulers’ articles, where Wikidata names no ruler.

1 rulers, 1 with terms dated as terms, covering 1854 – 1859. Only 5 years of the line are dated - too short for a median. A blank in the last column means no kin on record, which is coverage, never “unrelated”.

Ground held, by year

km² inside its borders as the borders dataset draws them, measured on an equal-area grid; a step series, held between the years the dataset maps.

7,400 km² in 1820, 7,200 km² in 1859; at its largest 7,400 km² in 1820. Cliopatria, CC BY 4.0.

Flags and arms, in order

Each symbol with the years its own statement gives; the timeline flies the one of the year on screen.

What happened within it, by century

Every row the atlas hosts under this state, by the century it began in: wars and battles in red, risings, regime changes and massacres beside them, everything else in grey. A tall bar is a century the record is full for, which is partly a fact about Wikipedia.

Among all states

Each measure against the states that carry it, never against all of them: a bar is the share of those states below this one.

• How long it stood314 years

  stood longer than 74% of 3,187 states with a recorded end or still standing.

• The most ground it held7,400 km²

  held more ground at its peak than 13% of 1,465 states with a border in Cliopatria.

• Wars recorded per centurynone

  had more wars on record per century than 44% of 3,187 states, counting the wars the atlas hosts under each.

• Rulers on record1

  has more rulers on record than 13% of 1,968 states with a line of rulers.

What led to it, and what came of it

The investigation's own picture: 2 causes the record names and 1 result, the strongest six of each at their own years, joined to the state by the kind of claim - a recorded statement solid, the article's sentence dashed, a theory dash-dot.

Open the investigation: every row with its evidence, the conditions at the time, the theories condition by condition, and the succession analysed.