1. Naming and grammar battles

The Egor Letov battles

• Started after Letov's death in 2008
• «Летов, Егор» vs «Летов, Игорь Фёдорович»
• Cause of death

Source: ru.wikipedia.org

ru.wikipedia.org/wiki/Обсуждение:Летов,_Егор

BP battle

• BP vs Би-Пи
• BP can be read as Вэ-Эр
• ru.wikipedia.org/wiki/Википедия:К_переименованию/14_июня_2011

Source: ru.wikipedia.org

Countries, cities, ethnonyms

• Беларусь vs Белоруссия 
• (of course) в Украине vs на Украине
• Киевская Русь or Древнерусское государство
• Киев-Київ-Kiev-Kyiv, Харьков-Харків-Kharkov-Kharkiv
• Palestinians vs Palestinian Arabs

2. Ethnic conflicts

Middle East conflict

• Talks about 'Jewish lobby' on the Russian Wikipedia
• 'Occupied' or just 'disputed' lands?
• Legitimate criticism or antisemitism?
• ...not unique to the Russian Wikipedia, of course 

Ukraine

• Did Ukraine have a fleet in 1917 — 1919?
• Is Ukrainian a language?
• Статья Донецкая Народная Республика
• Crimea (of course)

Crimea

Armenian–Azerbaijani conflict

• Was Nizami an azerbaijani poet?  
  • (similar to Chopin and Tesla battles)
• Who invented Ayran? 

3. Politicians

Putin's amphoras

• Is this important enough to be on Wikipedia ("wiki is not a news site")
• Comparison to the Russian Wikipedia articles on foreign leaders
  • Pretzel incident
  • Tie-chewing incident

Source: putin.kremlin.ru

Navalny

• No criticism?
• Hidden agitation?

4. Homosexuality & gender issues

Homosexuality & gender issues

• Гомосексуал vs Гомосесуалист
• What is the gender of a transgender person?
• Tchaikovsky — is this important enough?

5. Other lame edit wars

Other (lame) wars

• Драконология (War of Dragons) 
• Mayonnaise can battle (early days)
• Сибирский язык (actually there was a 'Siberian language wiki' on Wikipedia)