Yes, a transaction can be moved from one TeamRaiser event to another TeamRaiser event via the use of a Soft Credit.
  1. Navigate to Constituent360 > Constituents
  2. Enter the donor's name
  3. Click Find
  4. Click View under the Actions column
  5. Select the Transactions tab
  6. Scroll down to the Transaction History section
  7. Find the donation in question and click Change Soft Credit under the Actions column
  8. A pop up window will display
  9. Under Select where you would like to change the soft credit for this gift, choose the third radio button, TeamRaiser Event
  10. Click Search
  11. Enter the name of the correct TeamRaiser event
  12. Click Search
  13. Click Select under the Action column
  14. Click Apply