Today is Tuesday, Feb. 23, the 54th day of 2021. There are 311 days left in the year.

Today in history

On Feb. 23, 1836, the siege of the Alamo began in San Antonio, Texas.

Also on this date:

In 1861, President-elect Abraham Lincoln arrived secretly in Washington to take office, following word of a possible assassination plot in Baltimore.

In 1942, the first shelling of the U.S. mainland during World War II occurred as a Japanese submarine fired on an oil refinery near Santa Barbara, California, causing little damage.

In 1945, during World War II, U.S. Marines on Iwo Jima captured Mount Suribachi, where they raised two American flags (the second flag-raising was captured in the iconic Associated Press photograph.)

In 1954, the first mass inoculation of schoolchildren against polio using the Salk vaccine began in Pittsburgh as some 5,000 students were vaccinated.

In 1965, film comedian Stan Laurel, 74, died in Santa Monica, Calif.

In 1995, the Dow Jones industrial average closed above the 4,000 mark for the first time, ending the day at 4,003.33.

Fun fact

The roar of a tiger can be heard from almost 2 miles away.

Riddle me this

What is always behind you, but you can’t see it?

Spoiler alert — answer below the birthdays.

Trending words

“Perdure:” verb; (per-DUR). Definition: To continue to exist: last.

— Merriam-Webster

Today’s birthdays

Pro and College Football Hall of Famer Fred Biletnikoff is 78. Author John Sandford is 77. Country-rock musician Rusty Young is 75. Actor Patricia Richardson is 70. Former NFL player Ed “Too Tall” Jones is 70. Rock musician Brad Whitford (Aerosmith) is 69. Singer Howard Jones is 66. Rock musician Michael Wilton (Queensryche) is 59. Country singer Dusty Drake is 57. Actor Kristin Davis is 56. Former tennis player Helena Sukova is 56. Actor Marc Price is 53. TV personality/businessman Daymond John (“Shark Tank”) is 52. Actor Niecy Nash is 51. Rock musician Jeff Beres (Sister Hazel) is 50. Country singer Steve Holy is 49. Rock musician Lasse Johansson (The Cardigans) is 48. Film and theater composer Robert Lopez is 46. Actor Kelly Macdonald is 45. Rapper Residente (Calle 13) is 43. Actor Josh Gad is 40. Actor Emily Blunt is 38. Actor Aziz Ansari is 38. Actor Tye White (“Greenleaf”) is 35. Actor Dakota Fanning is 27.

Riddle answer: The past.

The Edge is compiled by Dallas Marshall. She can be contacted at dmarshall@lmtribune.com.