Two commemorations in Europe both ended in clashes Monday.
In Poland, an independence day march by thousands of far-right nationalists turned violent -- when masked youth clashed with riot police.
They're frustrated that economic progress has left them behind - angry, too that traditional values on marriage and abortion have been swept aside.
The violence underscores the rise of the far-right across parts of Europe, including France.
That's where an annual commemoration of the end of World War I broke down into this...
Some 70 people, who the government said were linked to the far-right National Front, were arrested on the Champs-Elysees in Paris -- after heckling French President Francois Hollande.
(SOUNDBITE) (French) (SOUND AS INCOMING) FRENCH INTERIOR MINISTER MANUEL VALLS SAYING:
"They are fed up with this government that is not listening to them, a government that is raising taxes every day, that is forever limiting their freedom and, it'