Possible Clues:

• Marking the start of office
• During summer month, Russian flower's opening
• Maiden fifty recorded after wild iguana holds game up
• A speaker may deliver it during month on Russian river
• During summer month, leader leaves country first
• Lain out absorbing promise in president's first speech?
• Speech made by new president during month on river?
• Of an opening ceremony
• Initial ruling a disaster about a university
• Initial