About 20,000 people took part in a demonstration in the Polish capital Warsaw, demanding more rights for the LGBT community. reported DPA, quoted by BTA.
The demonstrators demanded the introduction of registered civil partnerships for same-sex couples and called for marriage to be open to all.
Participants in the demonstration, called the "Equality Parade", also demanded better protection against hate speech and discrimination.
The mayor of Warsaw, Rafal Tszaszkowski, also joined the demonstration, who declared that his city is a "tolerant, welcoming European city and expressed hope that all the demands of the LGBT community will finally be realized.
Since the autumn of last year, a new liberal government has been in power in Poland, which announced an improvement in the situation of the LGBT community in Poland. But conservative President Andrzej Duda could veto any reform along these lines.
More than 20,000 people participated in the gay parade in the Swiss city of Zurich, DPA reported, citing data from the local police.
Six Swiss nationals and a German were briefly detained for using a drone to distribute homophobic leaflets during the otherwise peaceful demonstration. The arrested were between the ages of 19 and 33 and were representatives of far-right circles.
A man from Afghanistan and an Eritrean were also arrested for disorderly conduct during the gay parade, in which participants demanded more rights for the LGBT community.
Several thousand people took part in a colorful gay parade in the Greek capital Athens, reported France Presse, quoted by BTA.
According to police data, about 5,500 people took part in the demonstration.
The participants in the gay parade point out that the laws in Greece are not enough to protect the LGBT community. They talk about obstacles to the social integration of the LGBT community.
The gay parade comes months after Greece passed a law legalizing gay marriage and the adoption of children by same-sex couples. The law was pushed through at the initiative of the conservative right-wing government despite the opposition of the Greek Orthodox Church.
According to the LGBT community, however, this law is not sufficient for its inclusion in society.