Calendar: Week of April 18
Here's a look at the week ahead on our "Sunday Morning" Calendar:
Monday is the deadline for filing your 2015 income tax form, EXCEPT for residents of Massachusetts and Maine, who enjoy a one-day reprieve.
- Complete CBSNews.com coverage: Your taxes
- How to file a tax extension with the IRS in 2016
- A final checklist for last-minute tax filers
- Tax payment options for when you owe the IRS
On Tuesday, President Obama begins an overseas trip that includes stops in Saudi Arabia, Britain and Germany.
Wednesday is National Look-Alike Day ... a day for dressing up as somebody else and seeing double.
On Thursday, Britain offers a relatively low-key salute to Queen Elizabeth on her 90th birthday. The official full-scale celebration isn't until June, when the weather presumably will be better.
- Complete CBSNEws.com coverage: The Royals
- Queen Elizabeth II marks 63-year milestone ("CBS Evening News")
- 5 fun facts about Queen Elizabeth you might not know
Friday is Earth Day, kicking off a five-year campaign to plant 7.8 BILLION trees worldwide.
And on Saturday, the theatre world honors the memory of William Shakespeare on what is traditionally believed to be the 400th anniversary of his death.
Kenneth Branagh as Henry V speaks on the Eve of Saint Crispin's Day, from "Henry V" (1989):
Leonard Whiting and Olivia Hussey in Franco Zeffirelli's "Romeo and Juliet" (1968).