Demonstrations took place around the world on Wednesday as people marked International Workers' Day. Some of the protests turned violent.

May Day rallies started in the 1880s as labor movements were campaigning for better conditions such as eight-hour workdays and trade unions.

Check out some of the most eye-catching photos from the day's events:

Kyrgyz communist party supporters, holding red flags and portraits of Vladimir Lenin and Joseph Stalin, take part in a May Day rally in the country's capital of Bishkek.
Kyrgyz communist party supporters, holding red flags and portraits of Vladimir Lenin and Joseph Stalin, take part in a May Day rally in the country's capital of Bishkek.
Vyacheslav Oseledko/AFP/Getty Images
Police walk past a burning barricade as they clash with protesters during a May Day demonstration in Paris. French authorities <a href="index.php?page=&url=https%3A%2F%2Fwww.cnn.com%2F2019%2F05%2F01%2Feurope%2Fparis-may-day-protests-intl%2Findex.html" target="_blank">fired tear gas at crowds</a> as violent scuffles broke out with protesters.
Police walk past a burning barricade as they clash with protesters during a May Day demonstration in Paris. French authorities fired tear gas at crowds as violent scuffles broke out with protesters.
Anne-Christine Poujoulat/AFP/Getty Images
Police block May Day marchers in Jakarta, Indonesia, keeping them away from the presidential palace. Demonstrators were demanding higher wages and better working conditions for laborers.
Police block May Day marchers in Jakarta, Indonesia, keeping them away from the presidential palace. Demonstrators were demanding higher wages and better working conditions for laborers.
Donal Husni/NurPhoto via Getty Images
Members of the Korean Confederation of Trade Unions hold up banners during a May Day rally in Seoul, South Korea.
Members of the Korean Confederation of Trade Unions hold up banners during a May Day rally in Seoul, South Korea.
Ahn Young-joon/AP
Smoke from flares engulfs police officers during May Day protests in Brno, Czech Republic.
Smoke from flares engulfs police officers during May Day protests in Brno, Czech Republic.
Petr David Josek/AP
Demonstrators clash with police during a May Day rally in Santiago, Chile.
Demonstrators clash with police during a May Day rally in Santiago, Chile.
Martin Bernetti/AFP/Getty Images
A supporter of Venezuelan President Nicolas Maduro attends a May Day rally in Caracas, Venezuela. Pro- and anti-government rallies took place a day after <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2019%2F04%2F30%2Famericas%2Fgallery%2Fvenezuela-crisis%2Findex.html" target="_blank">violent clashes erupted in the capital.</a>
A supporter of Venezuelan President Nicolas Maduro attends a May Day rally in Caracas, Venezuela. Pro- and anti-government rallies took place a day after violent clashes erupted in the capital.
Yuri Cortez/AFP/Getty Images
Police in Turin, Italy, clash with protesters representing the No Tav movement. That movement opposes a high-speed railway line from Turin to Lyon, France.
Police in Turin, Italy, clash with protesters representing the No Tav movement. That movement opposes a high-speed railway line from Turin to Lyon, France.
Marco Bertorello/AFP/Getty Images
Some protesters were detained by police as they tried to reach Taksim Square in Istanbul.
Some protesters were detained by police as they tried to reach Taksim Square in Istanbul.
Sedat Suna/EPA-EFE/REX/Shutterstock
An injured protester is assisted by medics during a May Day rally in Paris.
An injured protester is assisted by medics during a May Day rally in Paris.
Francois Mori/AP
Protesters shout slogans in Lisbon, Portugal.
Protesters shout slogans in Lisbon, Portugal.
Patricia de Melo Moreira/AFP/Getty Images
A boy dressed in a military uniform salutes during a May Day parade in Havana, Cuba.
A boy dressed in a military uniform salutes during a May Day parade in Havana, Cuba.
Ramon Espinosa/AP
Migrant workers protest in Hong Kong.
Migrant workers protest in Hong Kong.
Vernon Yuen/Getty Images
People are reflected in a puddle during a rally in Belgrade, Serbia.
People are reflected in a puddle during a rally in Belgrade, Serbia.
Darko Vojinovic/AP
Demonstrators take part in a May Day rally in Bogota, Colombia.
Demonstrators take part in a May Day rally in Bogota, Colombia.
Raul Arboleda/AFP/Getty Images
A demonstrator holds a flare in Santiago, Chile.
A demonstrator holds a flare in Santiago, Chile.
Martin Bernetti/AFP/Getty Images
Police officers surround a detained protester following scuffles between far-right supporters and left-wing activists in Brno, Czech Republic.
Police officers surround a detained protester following scuffles between far-right supporters and left-wing activists in Brno, Czech Republic.
Petr David Josek/AP
Anti-government protesters march in Caracas, Venezuela.
Anti-government protesters march in Caracas, Venezuela.
Matias Delacroix/AFP/Getty Images
People celebrate May Day in Copenhagen, Denmark.
People celebrate May Day in Copenhagen, Denmark.
Liselotte Sabroe/AFP/Getty Images
Workers display masks of presidential hopefuls during a May Day protest in Taipei, Taiwan.
Workers display masks of presidential hopefuls during a May Day protest in Taipei, Taiwan.
Sam Yeh/AFP/Getty Images
Thousands of workers in Manila, Philippines, prepare to burn an effigy of President Rodrigo Duterte.
Thousands of workers in Manila, Philippines, prepare to burn an effigy of President Rodrigo Duterte.
Bullit Marquez/AP
Workers attend a rally in Clermont, South Africa.
Workers attend a rally in Clermont, South Africa.
Rajesh Jantila/AFP/Getty Images
People with balloons and flags take part in a rally in Moscow.
People with balloons and flags take part in a rally in Moscow.
Anadolu Agency/Anadolu/Getty Images