Assertion: polish's number | /r/CapableOf | establish the gromada londyn
Facets:
value: between 1861
type: TEMPORAL
value: between 1855
type: TEMPORAL
Source sentences:
text: The 1848 revolutions in Europe gave impetus to a number of Polish socialist activists to settle in London and establish the "Gromada Londyn" between 1855 and 1861.