SATURDAY
***Rome, the "Eternal City", celebrates 2760 years since founding***
***Queen Elisabeth II of Great Britain celebrates her 81st birthday***
SUNDAY
***French voters head to voting booths in the first round of presidential elections***
***World Earth Day***
***137th anniversary since the birth of Vladimir Lenin***
MONDAY
***443th anniversary of the birth and 391th anniversary of the death of William Shakespeare***
***Foreign Ministers from 27 EU member states informal meeting***
TUESDAY
***Armenians commemorate the anniversary of the Genocide in 1915-18***
***130th anniversary of the start of the Bulgarian Independence War of 1877-78***
WEDNESDAY
***Sofia City Court to hear the case against underworld bosses, the Marguin brothers***
***African Fight Against Malaria Day***
***Italy commemorates liberation at the end of World War II***
THURSDAY
***31st anniversary of the Chernobyl nuclear disaster***
***World Intellectual Property Day***
FRIDAY
***141st anniversary of the birthday of Bulgarian author Pencho Slaveykov***
***South Africa celebrates Freedom Day and the end of the Apartheid regime***