Stay informed about the most significant meetings and events planned for the week ahead. Europe Nov. 20: The European Union's enlargement commissioner, Johannes Hahn, will visit Skopje, Macedonia. Nov. 20: The mayor of the Greek island of Lesbos plans a general strike to protest deteriorating conditions at migrant reception centers. Nov. 22: Bujar Osmani, Macedonian deputy prime minister for European affairs, will visit Athens, Greece. Nov. 22: The Macedonian parliament will start debating at committee level a bill to expand the official use of the Albanian language. Nov. 23: The governments of Bulgaria and Macedonia are scheduled to meet. Nov. 24: The European Union will hold its Eastern Partnership summit in Brussels, hosting the leaders of Ukraine, Moldova, Belarus, Armenia and Azerbaijan. Nov. 25: Germany's Greens will hold a party congress to assess the coalition talks with Chancellor Angela Merkel's Christian Democratic Union and the pro-business Free Democrats.