Russia, Moscow: Foreign Minister Sergei Lavrov Russian will meet Foreign Minister of Ethiopia Tedros Adhanom.
Russia, Moscow: Scheduled visit of Uzbekistan President Islam Karimov.
Russia: Presentation of the book "Putinfobia" by Italian journalist Giulietto Chiesa.
Armenia: UN Secretary General Ban Ki-moon will pay an official visit to Armenia.
Azerbaijan, Baku, 25th - 27th April: 7th Global Forum of the UN Alliance of Civilizations.
Azerbaijan, Baku, 25th - 26th April: Planned visit of Turkish President Recep Tayyip Erdogan.
Germany, Hanover: There will be an informal meeting between the leaders of Britain, Germany, Italy, US, and France. David Cameron, Angela Merkel, Matteo Renzi, Barack Obama, and Francois Hollande will hold talks on issues of current international policy. The focus will be on Ukraine, Syria, and the situation of refugees.
Montenegro, Podgorica: Prime Minister Milo Djukanovic will present to Parliament the updated composition of the government. Also, the mass multi-day opposition protests will start.
Spain, Madrid, April 25th - 26th: The King will consult with the leaders of political parties to form a government
Cyprus, Nicosia: Cyprus President Nicos Anastasiades and Turkish Cypriot leader Mustafa Akinci will hold talks on a peaceful settlement.
Ireland: Centenary of the Easter Rising (24th - 30th April 1916)
The Islamic world
Saudi Arabia, Riyadh: An announcement is expected on the national program of the Kingdom on the replacement of revenue from oil, which provides for the transformation of Saudi Aramco's state oil company in the energy and industrial holding, as well as the creation of the world's largest sovereign investment fund.
Brazil, Brasilia: Senate committee will be formed on the impeachment of President Dilma Rousseff.
Tuesday, 26th April
Russia, Moscow: Meeting between the Board of Directors of the Business Council of the Black Sea Economic Cooperation.
France: General strike of railway workers
Greece, Athens: A Syrian refugee will participate in the Olympic torch relay.
Croatia, Zagreb, April 26th - 27th: The planned visit of Turkish President Recep Tayyip Erdogan.
United Kingdom, April 26th - 27th: Another 48-hour strike of young doctors advocating for better working conditions is planned.
US: Republican and Democrat Presidential primaries in the states of Maryland, Pennsylvania, Rhode Island, Delaware, and Connecticut. Among Republicans, the undisputed leader is Donald Trump.
US, New York: The planned meeting of the UN General Assembly on the occasion of the 30th anniversary of the Chernobyl accident.
US, Washington, April 26th - 27th : The meeting of the Federal Open Market Committee of the US Federal Reserve
Wednesday, 27th April
Russia, Moscow: 5th Moscow conference on international security. The organizer is the Ministry of Defence of the Russian Federation. This year's conference is dedicated to the fight against terrorism, as well as security issues in the Asia-Pacific and in Europe
Russia, Moscow: International Safe Internet Forum.
Russia, Moscow: The visit of OSCE Secretary General Lamberto Zannier. He will meet with Russian Foreign Minister Sergei Lavrov
Russia, “Vostochny” spaceport: First launch from the spaceport "Vostochny" is scheduled.
Brussels, Belgium, April 27th - 28th: Plenary session of the European Parliament.
Switzerland, Geneva: Official deadline for inter-Syrian talks.
China, Beijing: Conference on Interaction and Confidence Building Measures in Asia - 5th Foreign Ministers meeting.
Tanzania, Dar As Salaam, April 27th - 28th: Russian-Africa Forum 2016.
Thursday, 28th April
Tajikistan, Dushanbe: The SCO meeting will be attended by representatives of the SCO member states, observer states, dialogue partners, as well as the SCO secretariat, representatives of the executive committees of the Regional Antiterrorist Structure (RATS), the CIS, and the CSTO.
EU, Brussels: Eurogroup meeting on Greece's debt.
EU, Brussels: The discussion in the European Parliament on the implementation of the agreement with Turkey on migrants. The European Commission Report.
Spain: Events dedicated to the 400th anniversary of Cervantes' death.
Finland, Helsinki: Estonian President Toomas Hendrik Ilves will perform as a DJ in the "Siltanen" nightclub in Helsinki.
US, New York: The meeting of the UN Security Council on the situation in Syria. The report of the Under-Secretary-General for Humanitarian Affairs Stephen O'Brien.
US, New York: The UN Security Council is expected to consider the issue on extension of the UN mission in Western Sahara, which is under threat because of the diplomatic conflict between the Secretary General and the Moroccan authorities.
China, Beijing, April 28th - 29th: The planned visit of the Russian Minister of Foreign Affairs Sergey Lavrov.
Japan, Tokyo: Meeting of the Bank of Japan. There is also the possible introduction of negative interest rates on loans to financial institutions
Friday, 29th April
Russia, Moscow: The meeting between the Bank of Russia Board of Directors on matters of monetary policy.
Luxembourg: Court of the European Union is expected to consider the claim of the former president of Ukraine Viktor Yanukovych and his associates on the introduction of sanctions against them.
Bulgaria: Bulgarian truckers will block the border with Greece
Latvia: Completion of NATO military exercises
The Islamic world
Iran: The second round of parliamentary elections.
Saturday, 30th April
Germany, Berlin, April 30th - May 1st: Congress of the "Alternative for Germany" party. The new party program will be discussed.
The Islamic world
Pakistan: Completion of joint Pakistani-Chinese exercises "Falcon-V" (Syunin-V)
Sunday, 1st May (Easter)
Lithuania, May 1st - 20th : International Special Forces exercise "Blazing Sword-2016" (Flaming Sword).
The Islamic world
Iran, May 1st - 3rd: The scheduled visit of the President of the Republic of Korea Park Geun-hye. She will meet with Iranian President Hassan Rouhani.
Inter-ministerial control to prevent prenatal sex selection and abortion based on sex will be introduced
Japan, Kitakyushu, May 12th: Meeting of Energy Ministers - members of the "Big Seven".
China, Beijing: The visit of the Japanese Prime Minister Fumio Kishida. Topics on the agenda include the territorial dispute in the South China Sea and the sovereignty over islands of the Senkaku (Diaoyu) in the East China Sea.